Hi On 6 Feb 2006 at 15:57, ivo welch wrote:
Date sent: Mon, 6 Feb 2006 15:57:30 -0500 From: ivo welch <[EMAIL PROTECTED]> To: Sean Davis <[EMAIL PROTECTED]> Copies to: [EMAIL PROTECTED], r-help <[email protected]> Subject: Re: [R] R loop > > > data[ data$a == "name2" ] # does not work and gives a weird > > > result, yuck > > > > data[data$a=="name2",] > > > > sorry about this. I believe a few versions back, one could not subset > data frames, so I did not even check what I wrote. Works now. It depends on what you consider few versions back. I started with R vesion 1.2.0 about 10 years ago and I believe that data frame subsetting was done in **very** similar manner as it is performed now. Cheers Petr > > > Look at ?order. > > I know. This is why I suggested only that we need a wrapper that > plugs an order() functionality into the sort() function (which > fortunately points in its docs to order)---but novices would find the > sort syntax easier. > > regards, > > /iaw > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html Petr Pikal [EMAIL PROTECTED] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
