[R] How to limit string size when displaying data frames?

[David Winsemius]

On Dec 15, 2012, at 8:27 AM, Mauricio Cornejo wrote:

> Hello,
> 
> Is there a way to set the maximum width of character columns when printing a data frame?
> 
> I've looked into print(), format(), and options() and have been unsuccessful.
> 
> For example, I'd like to achieve the results below without having to modify the data itself.

> data.frame(lapply(x, substr, 1, 10))
          c1         c2
1 0.13891058 ABCDEFGHIJ
2 -0.0533631 ABCDEFGHIJ
3 -0.9799945 ABCDEFGHIJ
4 0.44754950 ABCDEFGHIJ
5 0.90906556 ABCDEFGHIJ


> 
>> x <- data.frame(c1=rnorm(5), c2="ABCDEFGHIJKLMNOPQRSTUVWXYZ")
>> x
> c1                         c2
> 1  0.7076495 ABCDEFGHIJKLMNOPQRSTUVWXYZ
> 2 -0.1572245 ABCDEFGHIJKLMNOPQRSTUVWXYZ
> 3  0.3515308 ABCDEFGHIJKLMNOPQRSTUVWXYZ
> 4  0.3492925 ABCDEFGHIJKLMNOPQRSTUVWXYZ
> 5 -0.3805869 ABCDEFGHIJKLMNOPQRSTUVWXYZ
> 
>> x$c2 <- substr(x$c2, 1, 10) #Only show first 10 chars.
>> x
> c1         c2
> 1  0.7076495 ABCDEFGHIJ
> 2 -0.1572245 ABCDEFGHIJ
> 3  0.3515308 ABCDEFGHIJ
> 4  0.3492925 ABCDEFGHIJ
> 5 -0.3805869 ABCDEFGHIJ
> Thanks,
> Mauricio
> 	[[alternative HTML version deleted]]
> 
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David Winsemius
Alameda, CA, USA