# [R] Problems with code containing a for loop

Erik Iverson eiverson at NMDP.ORG
Fri Oct 9 18:00:24 CEST 2009

```Because you missed your closing parens in the "text" function call. The closing parens is closing the "paste" function, you need one more.  I don't know what you're trying to do here, but I am guessing there's a faster way?

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On Behalf Of Antje##
> Sent: Friday, October 09, 2009 10:37 AM
> To: r-help at r-project.org
> Subject: [R] Problems with code containing a for loop
>
>
> The following code isn't working and we can't figure out why..
>
> letters = c("A","B","C","D","E","F","G","H","I","J")
> numbers = 1:3
>
> for(i in 1:6){                       #6 letters
>                 for (j in 1:3) {                   #3 numbers
>                     for (k in -1:1) {             #answer -1,right or +1
>                           fn = paste (i,j,k,".bmp",sep="")
>                           bmp(file = fn)
>                           plot(x = 10, y = 10, ylim=c(0,1), xlim=c(0,1),
> axes=FALSE, ylab="", xlab="")
>                           text(0.5,0.5, text = paste(letters[i], "+",
> numbers[j],"=", letters [i+j+k])
>                           dev.off()
>                                      }
>                                }
>                            }
>
> We get the following errors:
> Error: unexpected symbol in:
> "                          text(0.5,0.5, text = paste(letters[i], "+",
> numbers[j],"=", letters [i+j+k])
>                           dev.off"
> >                                      }
> Error: unexpected '}' in "                                     }"
> >                                }
> Error: unexpected '}' in "                               }"
> >                            }
> Error: unexpected '}' in "                           }"
> --
> View this message in context: http://www.nabble.com/Problems-with-code-
> containing-a-for-loop-tp25823173p25823173.html
> Sent from the R help mailing list archive at Nabble.com.
>
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