Thanks folks, That's exactly what I needed. Thanks for the speedy replies.
Regards Wayne -----Original Message----- From: Dimitris Rizopoulos [mailto:[EMAIL PROTECTED] Sent: 19 July 2004 15:49 To: Wayne Jones Cc: [EMAIL PROTECTED] Subject: Re: [R] converting character strings to eval Hi Wayne, what you need is, eval(parse(text=str)) I hope this helps. Best, Dimitris ---- Dimitris Rizopoulos Doctoral Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/16/396887 Fax: +32/16/337015 Web: http://www.med.kuleuven.ac.be/biostat/ http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm ----- Original Message ----- From: "Wayne Jones" <[EMAIL PROTECTED]> To: "R-help" <[EMAIL PROTECTED]> Sent: Monday, July 19, 2004 4:37 PM Subject: [R] converting character strings to eval > > Hi there fellow R-users, > > I'm stuck on this seemingly trivial problem. > > All I want to coerce a character string into a command. > > For example: > > x<-rnorm(20) > y<-rnorm(20) > str<-"lm(y~x)" > > I want to evaluate the "str" command. > > I have tried > > eval(as.expression(str)) > > But it doesn't seem to work. I am aware of the call command, but for > reasons I won't go into I would prefer not to use it. > > Any help would be great. > > Regards, > Wayne > > > > > > KSS Ltd > Seventh Floor St James's Buildings 79 Oxford Street Manchester M1 6SS England > Company Registration Number 2800886 > Tel: +44 (0) 161 228 0040 Fax: +44 (0) 161 236 6305 > mailto:[EMAIL PROTECTED] http://www.kssg.com > > > The information in this Internet email is confidential and m...{{dropped}} > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html [[alternative HTML version deleted]] ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
