Re: [R] How to use conditional statement

2011-03-10 Thread peter dalgaard
On Mar 10, 2011, at 12:54 , Duncan Murdoch wrote: > On 11-03-10 5:54 AM, Ivan Calandra wrote: >> Try with double "== "instead: >> ifelse(val3 == "Monthly", val<- val1, val<- val2) > > That might work, but it is not how you should do it. (It should work if val3 > has a single entry, but will do

Re: [R] How to use conditional statement

2011-03-10 Thread Vincy Pyne
Thanks a lot for the wonderful guidance. Regards Vincy --- On Thu, 3/10/11, Ivan Calandra wrote: From: Ivan Calandra Subject: Re: [R] How to use conditional statement To: "Duncan Murdoch" Cc: r-help@r-project.org Received: Thursday, March 10, 2011, 12:32 PM Thanks for the comment

Re: [R] How to use conditional statement

2011-03-10 Thread Ivan Calandra
Thanks for the comment, I didn't think about this thorougly. Le 3/10/2011 12:54, Duncan Murdoch a écrit : On 11-03-10 5:54 AM, Ivan Calandra wrote: Try with double "== "instead: ifelse(val3 == "Monthly", val<- val1, val<- val2) That might work, but it is not how you should do it. (It should

Re: [R] How to use conditional statement

2011-03-10 Thread Duncan Murdoch
On 11-03-10 5:54 AM, Ivan Calandra wrote: Try with double "== "instead: ifelse(val3 == "Monthly", val<- val1, val<- val2) That might work, but it is not how you should do it. (It should work if val3 has a single entry, but will do strange things if val3 is a vector: > val3 <- c("Monthly", "

Re: [R] How to use conditional statement

2011-03-10 Thread Ivan Calandra
Try with double "== "instead: ifelse(val3 == "Monthly", val <- val1, val <- val2) Single "=" is for setting arguments within a function call. If you want to test equality, then double "==" is required. See ?"==" HTH, Ivan Le 3/10/2011 11:45, Vincy Pyne a écrit : Dear R helpers Suppose val1