Re: [R] Selecting variables in a multivariate regression

2014-04-14 Thread Edson Tirelli
Bert, I am sorry for having troubled you. The double post was a mistake because gmail sent the first e-mail in html and it went into moderation queue. The second one was sent in plain text. I did not know the moderator approved my first post. 1. As I said, I am a beginner in statistics and

Re: [R] Selecting variables in a multivariate regression

2014-04-14 Thread peter dalgaard
On 14 Apr 2014, at 15:33 , Bert Gunter wrote: > Well, this is your second post on the same topic, your first having > received no response. So you should suspect something is amiss and > reconsider before continuing, don't you think? > > 1. I, for one, was not able to make any sense of your que

Re: [R] Selecting variables in a multivariate regression

2014-04-14 Thread Bert Gunter
Well, this is your second post on the same topic, your first having received no response. So you should suspect something is amiss and reconsider before continuing, don't you think? 1. I, for one, was not able to make any sense of your query. You do not appear to understand regression, so I would

[R] Selecting variables in a multivariate regression

2014-04-13 Thread Edson Tirelli
I am quite new to R and I am having trouble figuring out how to select variables in a multivariate linear regression in R. My google-fu also did not find anything. Pretend I have the following formulas: P = aX + bY Q = cZ + bY I have a data frame with column P, Q, X, Y, Z and I need to find a, b

[R] Selecting variables in a multivariate regression

2014-04-13 Thread Edson Tirelli
I am quite new to R and I am having trouble figuring out how to select variables in a multivariate linear regression in R. My google-foo also did not find anything. Pretend I have the following formulas: P = aX + bY Q = cZ + bY I have a data frame with column P, Q, X, Y, Z and I need to find a,