[R] Function to verify existence of an R object
Hello, is there a function to check if an object exists? Thank you, Judith __ 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.
Re: [R] Function to verify existence of an R object
On 16/07/2008 6:26 PM, Judith Flores wrote: Hello, is there a function to check if an object exists? exists(foo) checks for foo. (There are a few other optional parameters to tell it where to look, and what sort of thing foo might be.) Duncan Murdoch Thank you, Judith __ 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. __ 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.
Re: [R] Function to verify existence of an R object
Please do your homework before posting: help.search(exists) -- ?exists -- Bert Gunter -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Judith Flores Sent: Wednesday, July 16, 2008 3:27 PM To: RHelp Subject: [R] Function to verify existence of an R object Hello, is there a function to check if an object exists? Thank you, Judith __ 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. __ 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.
Re: [R] Function to verify existence of an R object
Judith Flores [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] is there a function to check if an object exists? ?exists efg Earl F Glynn Stowers Institute for Medical Research __ 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.