Re: [Rd] R crashes in Mac OS 10.4 when Find is used (PR#9192)

2006-09-01 Thread Rob J Goedman
Matt, This is not an R bug or r-devel issue. The proper email list is R-SIG- Mac. Maybe the 1st step we can try is to install the latest version of the R.app, which you can find at http://r.research.att.com/ . Can you please download the nightly build of just the R.app GUI and see if the prob

Re: [Rd] Computer algebra in R - would that be an idea??

2005-07-17 Thread Rob J Goedman
a deparse-parse-operate-deparse-parse > sequence. It would be nicer if you could just convert parse trees > between the two languages. The good news is that there's a Lisp route > (see example3), which should make the parser/deparser coding somewhat > easier. On Jul 15, 2005, at 3

Re: [Rd] Computer algebra in R - would that be an idea??

2005-07-14 Thread Rob J Goedman
A really simple way to play with R & yacas is by using the examples in the subdir 'embed' of yacas-1.0.57. After building yacas (on Mac OS in my case): > res<-system("~/Projects/yacas-1.0.57/embed/example2", intern=T) > res [1] "Cos(x);" or > res<-system("~/Projects/yacas-1.0.57/embed/exam