Wow, that easy... And how can get only the values for a specific class? Like tapply(x$val, x$label, ?echo?)$class1
What should echo be? Thanks, B |-----Original Message----- |From: Henrique Dallazuanna [mailto:[EMAIL PROTECTED] |Sent: Thursday, October 25, 2007 1:15 PM |To: Bernd Jagla |Cc: r-help@r-project.org |Subject: Re: [R] data frame usage | |Hi, | |tapply(x$val, x$label, summary) | | | |On 25/10/2007, Bernd Jagla <[EMAIL PROTECTED]> wrote: | | Hi, | I am new to R and couldn't find any information on how to handle my |table | data that I just read in the way I want to use it.. | | I read in a table from a file: | x <- read.delim("filenam", header=TRUE) | | one column (x$label) hold the class labels. Another holds some values | (x$val). | I want to calculate summary statistics for different classes. | | How would I do this? | | Thanks, | | Bernd | | ______________________________________________ | R-help@r-project.org mailing list | https://stat.ethz.ch/mailman/listinfo/r-help |<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. | | | | | |-- |Henrique Dallazuanna |Curitiba-Paraná-Brasil |25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
