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--></style></head><body lang=ES link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Estimado Jesús Para Fernández</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Pero no es lo mismo, usted pidió para cuándo i vale 0, el tryCatch es para todos los casos en donde no se puede porque hay un error, justo coloco en el buscador la definición para compartirla y encuentro un ejemplo muy apropiado.</p><p class=MsoNormal><o:p> </o:p></p><div><div style='margin-top:15.0pt' id=wrapper><div id=main><div style='margin-right:-180.0pt' id=container><div style='margin-left:15.0pt;margin-right:210.0pt;margin-bottom:27.0pt' id=content><div id=post-912><div><div style='margin-top:9.0pt;margin-bottom:9.0pt' id=crayon-593e90dfd792b236111148><div><div><div id=crayon-593e90dfd792b236111148-2><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-p2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'># tryCatch.Rscript -- experiments with tryCatch</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-3><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-4><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-p2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'># Get any arguments</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-5><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>arguments</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><-</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>commandArgs</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>trailingOnly</span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>=</span></span><span class=crayon-t2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>TRUE</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>)</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-6><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>a</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><-</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>arguments</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>[</span></span><span class=crayon-cn2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>1</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>]</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-7><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-8><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-p2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'># Define a division function that can issue warnings and errors</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-9><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>myDivide</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><-</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-t2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>function</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>d</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>,</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>a</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>)</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>{</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-10><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-st2>if</span><span class=crayon-h2> </span><span class=crayon-sy2>(</span><span class=crayon-v2>a</span><span class=crayon-h2> </span><span class=crayon-o2>==</span><span class=crayon-h2> </span><span class=crayon-s2>'warning'</span><span class=crayon-sy2>)</span><span class=crayon-h2> </span><span class=crayon-sy2>{</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-11><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>return_value</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-s2>'myDivide warning result'</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-12><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>warning</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-s2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>"myDivide warning message"</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>)</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-13><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-sy2>}</span><span class=crayon-h2> </span><span class=crayon-st2>else</span><span class=crayon-h2> </span><span class=crayon-st2>if</span><span class=crayon-h2> </span><span class=crayon-sy2>(</span><span class=crayon-v2>a</span><span class=crayon-h2> </span><span class=crayon-o2>==</span><span class=crayon-h2> </span><span class=crayon-s2>'error'</span><span class=crayon-sy2>)</span><span class=crayon-h2> </span><span class=crayon-sy2>{</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-14><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>return_value</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-s2>'myDivide error result'</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-15><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>stop</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-s2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>"myDivide error message"</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>)</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-16><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-sy2>}</span><span class=crayon-h2> </span><span class=crayon-st2>else</span><span class=crayon-h2> </span><span class=crayon-sy2>{</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-17><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>return_value</span><span class=crayon-h2> </span><span class=crayon-o2>=</span><span class=crayon-h2> </span><span class=crayon-v2>d</span><span class=crayon-h2> </span><span class=crayon-o2>/</span><span class=crayon-h2> </span><span class=crayon-st2>as</span><span class=crayon-sy2>.</span><span class=crayon-e2>numeric</span><span class=crayon-sy2>(</span><span class=crayon-v2>a</span><span class=crayon-sy2>)</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-18><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-sy2>}</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-19><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-st2>return</span><span class=crayon-sy2>(</span><span class=crayon-v2>return_value</span><span class=crayon-sy2>)</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-20><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>}</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-21><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-22><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-p2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'># Evalute the desired series of expressions inside of tryCatch</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-23><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>result</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><-</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>tryCatch</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>({</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-24><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-25><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>b</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-cn2>2</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-26><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>c</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-v2>b</span><span class=crayon-o2>^</span><span class=crayon-cn2>2</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-27><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>d</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-v2>c</span><span class=crayon-o2>+</span><span class=crayon-cn2>2</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-28><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-st2>if</span><span class=crayon-h2> </span><span class=crayon-sy2>(</span><span class=crayon-v2>a</span><span class=crayon-h2> </span><span class=crayon-o2>==</span><span class=crayon-h2> </span><span class=crayon-s2>'suppress-warnings'</span><span class=crayon-sy2>)</span><span class=crayon-h2> </span><span class=crayon-sy2>{</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-29><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-e2>suppressWarnings</span><span class=crayon-sy2>(</span><span class=crayon-e2>myDivide</span><span class=crayon-sy2>(</span><span class=crayon-v2>d</span><span class=crayon-sy2>,</span><span class=crayon-v2>a</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-30><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-sy2>}</span><span class=crayon-h2> </span><span class=crayon-st2>else</span><span class=crayon-h2> </span><span class=crayon-sy2>{</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-31><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-e2>myDivide</span><span class=crayon-sy2>(</span><span class=crayon-v2>d</span><span class=crayon-sy2>,</span><span class=crayon-v2>a</span><span class=crayon-sy2>)</span><span class=crayon-h2> </span><span class=crayon-p2># 6/a</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-32><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-sy2>}</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-33><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>f</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2>+</span><span class=crayon-h2> </span><span class=crayon-cn2>100</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-34><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-35><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>},</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>warning</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>=</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-t2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>function</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>war</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>)</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>{</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-36><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-37><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-p2># warning handler picks up where error was generated</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-38><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-e2>print</span><span class=crayon-sy2>(</span><span class=crayon-e2>paste</span><span class=crayon-sy2>(</span><span class=crayon-s2>"MY_WARNING: "</span><span class=crayon-sy2>,</span><span class=crayon-v2>war</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-39><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>b</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-s2>"changing 'b' inside the warning handler has no effect"</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-40><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-e2>myDivide</span><span class=crayon-sy2>(</span><span class=crayon-v2>d</span><span class=crayon-sy2>,</span><span class=crayon-cn2>0.1</span><span class=crayon-sy2>)</span><span class=crayon-h2> </span><span class=crayon-p2># =60</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-41><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>f</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2>+</span><span class=crayon-h2> </span><span class=crayon-cn2>100</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-42><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-st2>return</span><span class=crayon-sy2>(</span><span class=crayon-v2>f</span><span class=crayon-sy2>)</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-43><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-44><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>},</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>error</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>=</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-t2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>function</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>err</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>)</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>{</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-45><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-46><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-p2># error handler picks up where error was generated</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-47><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-e2>print</span><span class=crayon-sy2>(</span><span class=crayon-e2>paste</span><span class=crayon-sy2>(</span><span class=crayon-s2>"MY_ERROR: "</span><span class=crayon-sy2>,</span><span class=crayon-v2>err</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-48><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>b</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-s2>"changing 'b' inside the error handler has no effect"</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-49><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-e2>myDivide</span><span class=crayon-sy2>(</span><span class=crayon-v2>d</span><span class=crayon-sy2>,</span><span class=crayon-cn2>0.01</span><span class=crayon-sy2>)</span><span class=crayon-h2> </span><span class=crayon-p2># =600</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-50><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-v2>f</span><span class=crayon-h2> </span><span class=crayon-o2><-</span><span class=crayon-h2> </span><span class=crayon-v2>e</span><span class=crayon-h2> </span><span class=crayon-o2>+</span><span class=crayon-h2> </span><span class=crayon-cn2>100</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-51><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-st2>return</span><span class=crayon-sy2>(</span><span class=crayon-v2>f</span><span class=crayon-sy2>)</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-52><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-53><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>},</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-st2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>finally</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-o2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>=</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>{</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-54><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-55><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-e2>print</span><span class=crayon-sy2>(</span><span class=crayon-e2>paste</span><span class=crayon-sy2>(</span><span class=crayon-s2>"a ="</span><span class=crayon-sy2>,</span><span class=crayon-v2>a</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-56><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-e2>print</span><span class=crayon-sy2>(</span><span class=crayon-e2>paste</span><span class=crayon-sy2>(</span><span class=crayon-s2>"b ="</span><span class=crayon-sy2>,</span><span class=crayon-v2>b</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-57><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-e2>print</span><span class=crayon-sy2>(</span><span class=crayon-e2>paste</span><span class=crayon-sy2>(</span><span class=crayon-s2>"c ="</span><span class=crayon-sy2>,</span><span class=crayon-v2>c</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-58><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-e2>print</span><span class=crayon-sy2>(</span><span class=crayon-e2>paste</span><span class=crayon-sy2>(</span><span class=crayon-s2>"d ="</span><span class=crayon-sy2>,</span><span class=crayon-v2>d</span><span class=crayon-sy2>))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-59><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-p2># NOTE: Finally is evaluated in the context of of the inital</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-60><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-p2># NOTE: tryCatch block and 'e' will not exist if a warning</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-61><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-p2># NOTE: or error occurred.</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-62><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <span class=crayon-h2> </span><span class=crayon-p2>#print(paste("e =",e))</span><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-63><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-64><p class=MsoNormal style='line-height:13.5pt'><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>})</span></span><span class=crayon-h2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> </span></span><span class=crayon-p2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'># END tryCatch</span></span><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'><o:p></o:p></span></p></div><div id=crayon-593e90dfd792b236111148-65><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'> <o:p></o:p></span></p></div></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>print</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-e2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>paste</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>(</span></span><span class=crayon-s2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>"result ="</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>,</span></span><span class=crayon-v2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>result</span></span><span class=crayon-sy2><span style='font-size:9.0pt;font-family:"Georgia",serif;color:#666666'>))</span></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Javier Rubén Marcuzzi</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>De: </b><a href="mailto:j.para.fernandez@hotmail.com">Jesús Para Fernández</a><br><b>Enviado: </b>lunes, 12 de junio de 2017 9:57<br><b>Para: </b><a href="mailto:javier.ruben.marcuzzi@gmail.com">Javier Marcuzzi</a>; <a href="mailto:xavitibau@gmail.com">Xavi tibau alberdi</a>; <a href="mailto:Guillermo.Vinue@uv.es">Guillermo.Vinue@uv.es</a><br><b>CC: </b><a href="mailto:r-help-es@r-project.org">Lista R</a><br><b>Asunto: </b>Re: [R-es] Bucle for que se salte los errores</p></div><p class=MsoNormal><o:p> </o:p></p><p><span style='font-size:12.0pt;color:black'>He encontrado la respuesta. EL ejemplo que puse era trivial, ya que es obvio que if(i ==0) entonces next, pero me referia a sin saber si va a ser error el modelo o no. <o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><br>Para esto he encontrado la solución <o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'>for(i in -3:3){<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'>tryCatch({<o:p></o:p></span></p><p><span style='font-size:10.0pt;color:black'> z<-1/i<br>> z<-z*z<br>> modelo<-lm(z~1)</span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>}, error=function(e){print("es un error"})<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>}<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>Gracias de todas maneras!!!!!<br>Jesús<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><div><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'><img border=0 width=694 height=2 style='width:7.2291in;height:.0208in' id="Horizontal_x0020_Line_x0020_1" src="cid:image001.png@01D2E363.58588770"></span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><div id="x_divRplyFwdMsg"><p class=MsoNormal><b><span style='color:black'>De:</span></b><span style='color:black'> R-help-es <r-help-es-bounces@r-project.org> en nombre de Javier Marcuzzi <javier.ruben.marcuzzi@gmail.com><br><b>Enviado:</b> lunes, 12 de junio de 2017 14:48<br><b>Para:</b> Xavi tibau alberdi; Guillermo.Vinue@uv.es<br><b>Cc:</b> Lista R<br><b>Asunto:</b> Re: [R-es] Bucle for que se salte los errores</span><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div></div></div><div><p class=MsoNormal><span style='font-size:10.0pt;color:black'>Case también podría ir, en realidad cualquier función de condicional, hay algo de gusto personal también (yo prefiero if).<br><br>Javier Rubén Marcuzzi<br><br>De: Xavi tibau alberdi<br>Enviado: lunes, 12 de junio de 2017 9:46<br>Para: Guillermo.Vinue@uv.es<br>CC: Lista R<br>Asunto: Re: [R-es] Bucle for que se salte los errores<br><br>Otra opcio es no incluir en 0<br><br>For (i in c(-2,-1,1,2)<br><br><br>El 12 jun. 2017 14:43, <Guillermo.Vinue@uv.es> escribió:<br><br>Hola,<br><br>Creo que sería añadir if(i == 0) next<br><br>Saludos,<br><br>Guillermo<br><br>> Buenas, �como puedo hacer que el bucle for se salte el error que salta<br>cuando i<-0 en el codigo que paso??<br>><br>><br>><br>> count <- 0<br>> for(i in -2:2){<br>> z<-1/i<br>> z<-z*z<br>> 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