Re: [R] splitting data frame based on a criteria

Hi the other possible option is to use split with suitable graphing technique or with lapply and appropriate function e.g. boxplot(split(X, Y>0)) histogram( ~ X|Y) gives Marvin [EMAIL PROTECTED] napsal dne 03.06.2008 21:11:29: > ?by may be helpful here > eg if dat is your data.frame and yf i

Re: [R] splitting data frame based on a criteria

Or ?gsummary Quoting Moshe Olshansky <[EMAIL PROTECTED]>: Also check ?aggregate --- On Wed, 4/6/08, Ingmar Visser <[EMAIL PROTECTED]> wrote: From: Ingmar Visser <[EMAIL PROTECTED]> Subject: Re: [R] splitting data frame based on a criteria To: "Marvin Lists" &l

Re: [R] splitting data frame based on a criteria

Also check ?aggregate --- On Wed, 4/6/08, Ingmar Visser <[EMAIL PROTECTED]> wrote: > From: Ingmar Visser <[EMAIL PROTECTED]> > Subject: Re: [R] splitting data frame based on a criteria > To: "Marvin Lists" <[EMAIL PROTECTED]> > Cc: r-help@r-project.org &

Re: [R] splitting data frame based on a criteria

?by may be helpful here eg if dat is your data.frame and yf is a factor (created using ifelse) use by(dat,yf,mean) to compute the means for each level of yf hth, Ingmar On Jun 3, 2008, at 8:37 PM, Marvin Lists wrote: Hi, I have a data frame that I want to split into two based on the values of

[R] splitting data frame based on a criteria

Hi, I have a data frame that I want to split into two based on the values of a variable in it. The variable Y has numeric values ranging between 0 through 70. I want to plot the frequencies of another variable X in two different cases: - When Y = 0 and - When Y > 0 How does one go about doing thi