On Sat, Oct 23, 2010 at 9:51 PM, James Hirschorn <james.hirsch...@hotmail.com> wrote: > > What is a good way to enter a very long model formula. For example: > > y ~ Input.2 + Input.3 + ... + Input.1000 > > (assuming the corresponding dataframe has many other columns). > > Is there a way to convert a character string to a formula? Are there command > line expansions in R besides the simple '.'? >
If y is in column 1 and Input.2, ..., Input.1000 are in columns 2 through 1000 then try this: lm(y ~., DF[1:1000]) -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ 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.
