On 3/20/07, Duncan Murdoch <[EMAIL PROTECTED]> wrote: > On 3/20/2007 12:44 PM, Gabor Grothendieck wrote: > > On 3/20/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > >> On 3/20/2007 11:19 AM, [EMAIL PROTECTED] wrote: > >> > Full_Name: Charles Dupont > >> > Version: 2.4.1 > >> > OS: linux 2.6.18 > >> > Submission from: (NULL) (160.129.129.136) > >> > > >> > > >> > 'format.pval' has a major limitation in its implementation. For example > >> > suppose a person had a vector like 'a' and the error being ±0.001. > >> > > >> > > a <- c(0.1, 0.3, 0.4, 0.5, 0.3, 0.0001) > >> > > format.pval(a, eps=0.01) > >> > > >> > If that person wants to have the 'format.pval' output with 2 digits > >> > always > >> > showing (like passing nsmall=2 to 'format'). That output would look like > >> > this. > >> > > >> > [1] "0.10" "0.30" "0.40" "0.50" "0.30" "<0.01" > >> > > >> > That output is currently impossible because format.pval can only > >> > produce output like this. > >> > > >> > [1] "0.1" "0.3" "0.4" "0.5" "0.3" "<0.01" > >> > > >> > > >> > --------------------------------------------------------------- > >> > a <- c(0.1, 0.3, 0.4, 0.5, 0.3, 0.0001) > >> > format.pval(a, eps=0.01) > >> > >> But there's a very easy workaround: > >> > >> format.pval(c(0.12, a), eps=0.01)[-1] > >> > >> gives you what you want (because the 0.12 forces two decimal place > >> display on all values, and then the [-1] removes it). > >> > > > > Clever, but the problem would be that summary.lm, etc. call format.pval so > > the > > user does not have a chance to do that. > > I don't see how this is relevant. summary.lm doesn't let you pass a new > eps value either. Adding an "nsmall=2" argument to format.pval wouldn't > help with the display in summary.lm. > > I suppose we could track down every use of format.pval in every function > in every package and add nsmall and eps as arguments to each of them, > but that's just ridiculous. People should accept the fact that R > doesn't produce publication quality text, it just provides you with ways > to produce that yourself. > > Duncan Murdoch >
You are right in terms of my example which was not applicable but I think in general that format.pval is used from within other routines rather than directly by the user so the user may not have a chance to massage it directly. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
