[R] Creating nice looking lists: how?
Charles C. Berry
cberry at tajo.ucsd.edu
Fri Sep 28 18:27:49 CEST 2007
On Fri, 28 Sep 2007, Sergey Goriatchev wrote:
> Hello,
>
> For my functions I want to create output similar in appearance to that
> of what you get when you print a summary of lm model:
>
> Residuals:
> Min 1Q Median 3Q Max
> -0.209209 -0.043133 0.001793 0.044105 0.234750
>
> Coefficients:
> Estimate Std. Error t value Pr(>|t|)
> (Intercept) 0.981762 0.004089 240.103 < 2e-16 ***
> Factor 1 -0.009581 0.006381 -1.501 0.134296
> Factor 2 -0.008993 0.009182 -0.979 0.328163
> Factor 3 0.029960 0.009547 3.138 0.001866 **
> Factor 4 -0.026575 0.007370 -3.606 0.000363 ***
> Factor 5 -0.004847 0.006382 -0.760 0.448138
> Factor 6 0.005099 0.006483 0.786 0.432202
> ---
> Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
>
> I want:
> 1) no $ before the list component names
> 2) component names that take values from outside variables
> (ex.: number <- 10
> There are 'number' factors in the model:)
>
> There is not much information on how to create nice output in terms of
> lists, so I was looking for core to write the summary(lm) output, but
> could not find much. Obviously, I can type summary.lm, but it does not
> show how to create the name "Coefficients:"
page( stats:::print.summary.lm, 'print' )
is what you want.
It is called when auto-printing class "summary.lm" objects.
Some print methods for summary methods do a lot of calculation, and I
sometimes find it confusing that those calculations are not included in
the summary nethod and spend a lot of time searching thru summary.whatnot
till I wake up and remember to look at print.summary.whatnot.
Chuck
>
> Could someone give me pointers on how to create nice lists?
>
> Thanks
> Sergey
>
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> and provide commented, minimal, self-contained, reproducible code.
>
Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901
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