--- On Sun, 9/20/09, Wensui Liu <liuwen...@gmail.com> wrote:
> From: Wensui Liu <liuwen...@gmail.com> > Subject: Re: [R] running many different regressions > To: "Gabor Grothendieck" <ggrothendi...@gmail.com> > Cc: R-help@r-project.org > Received: Sunday, September 20, 2009, 3:04 PM > should chicken be blamed by the > people allergic by eggs? It's more like : Don't give matches to a child. The problem that Gabor is pointing out is that a new R user may not recognize what that rm command was going to do and paste it into R to see what happens. And then KABLOOIE. It's particularly dangerous right now as schools in much of the Northern Hemisphere are starting up and we are likely be be getting a lot of very new 'new users'. > > On Sun, Sep 20, 2009 at 3:00 PM, Gabor Grothendieck > <ggrothendi...@gmail.com> > wrote: > > Not everyone carefully examines the code from r-help > posts > > prior to pasting it in. Posting code is very > dangerous and > > should not be done. > > > > Quite the contrary they often try to understand the > > code by running it. > > > > Code like this should never be posted. > > > > > > > > On Sun, Sep 20, 2009 at 2:47 PM, Wensui Liu <liuwen...@gmail.com> > wrote: > >> well, i assume you understand what my code does. > >> please don't use if you don't know what you are > using. > >> > >> On Sun, Sep 20, 2009 at 2:44 PM, Gabor > Grothendieck > >> <ggrothendi...@gmail.com> > wrote: > >>> On Sun, Sep 20, 2009 at 2:38 PM, Wensui Liu > <liuwen...@gmail.com> > wrote: > >>>> I just quickly draft one with boston > housing data. and it should be > >>>> close to what you need. > >>>> > >>>> # REMOVE ALL OBJECTS > >>>> rm... > >>> > >>> WARNING!!! > >>> > >>> Running the code in this post could wipe out > your entire workspace!!!! > >>> > >>> Please do NOT post such code. > >>> > >> > >> > >> > >> -- > >> ============================== > >> WenSui Liu > >> Blog : statcompute.spaces.live.com > >> Tough Times Never Last. But Tough People Do. - > Robert Schuller > >> ============================== > >> > > > > > > -- > ============================== > WenSui Liu > Blog : statcompute.spaces.live.com > Tough Times Never Last. But Tough People Do. - Robert > Schuller > ============================== > > ______________________________________________ > R-help@r-project.org > mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, > reproducible code. > __________________________________________________________________ Looking for the perfect gift? Give the gift of Flickr! ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.