Re: [R] Efficient passing through big data.frame and modifying select

ap <[EMAIL PROTECTED]> wrote: > >>> -Original Message- > >>> From: William Dunlap > >>> Sent: Tuesday, November 25, 2008 9:16 AM > >>> To: '[EMAIL PROTECTED]' > >>> Subject: Re: [R] Efficient passing through big data.f

Re: [R] Efficient passing through big data.frame and modifying select

> -Original Message- > From: William Dunlap > Sent: Tuesday, November 25, 2008 9:16 AM > To: '[EMAIL PROTECTED]' > Subject: Re: [R] Efficient passing through big data.frame and > modifying select fields > > > Johannes Graumann johannes_graumann

[R] Efficient passing through big data.frame and modifying select fields

Hi all, I have relatively big data frames (> 1 rows by 80 columns) that need to be exposed to "merge". Works marvelously well in general, but some fields of the data frames actually contain multiple ";"-separated values encoded as a character string without defined order, which makes the fi