Re: [R] Best way to predict

2012-05-30 Thread Chris Burns
30, 2012 at 10:24 PM, Peter Langfelder < peter.langfel...@gmail.com> wrote: > On Wed, May 30, 2012 at 4:07 PM, Chris Burns > wrote: > > I have a huge matrix of unspecified covariates and the corresponding > sales > > for them. What is the best way to predict the sales

[R] Best way to predict

2012-05-30 Thread Chris Burns
I have a huge matrix of unspecified covariates and the corresponding sales for them. What is the best way to predict the sales from the covariates? Thanks, Chris [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https:

[R] Exclude when sd=0

2012-05-23 Thread Chris Burns
How do I trim a matrix to exclude columns that have no standard deviation? Thanks, Chris [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide ht

[R] Calling on certina columns

2012-05-23 Thread Chris Burns
I'm trying to run a regression on certain columns. The columns are named "Cat_1", "Cat_2" etc. Is there a way to call upon all of the columns that contain "Cat"? Thanks, Chris [[alternative HTML version deleted]] __ R-help@r-project.org mail