Message-ID: <508B1E7B.6070502@ucalgary.ca>
Date: 2012-10-26T23:36:27Z
From: Peter Ehlers
Subject: regression analysis in R
In-Reply-To: <BLU170-W1350B8CB5FAC32146628967897E0@phx.gbl>
On 2012-10-26 13:00, eliza botto wrote:
>
> Dear useRs,
> i have vectors of about 27 descriptors, each having 703 elements. what i want to do is the following 1. i want to do regression analysis of these 27 vectors individually, against a dependent vector, say B, having same number of elements.2. i would like to know best 10 regression results, if i do regression analysis of dependent vector against the random combination of any 4 descriptors. more precisely, in the first step we did regression of dependent vector against individual vector of each descriptor, but now we want R to randomly combine descriptors in a set of 4 and does regression analysis with B to see what are top 10 combination of descriptors giving good regression results with B? i hope i am clear. i know 2nd part is more tricky, but i will be extremely happy if you can answer any one of the above questions.
> thanks in advanceeliza
>
I hope that you're doing _exploratory_ data analysis.
Have a look at the 'leaps' package. It might be suitable.
Peter Ehlers