[R] Regression problem

Douglas Bates bates at stat.wisc.edu
Tue Jul 15 19:42:32 CEST 2008


On Tue, Jul 15, 2008 at 10:25 AM, Patrick Burns
<pburns at pburns.seanet.com> wrote:
> That can be accomplished with 8 keystrokes.
> A hint is to do the 4 keystrokes:
> ?lm

Umm - unless you are counting the implicit <Enter>, that's only 3
keystrokes isn't it?

> Angila Albaros wrote:
>>
>> Hello all,
>>                  I am new to r programmeand need help. I want to do
>> multiple linear regression analysis. say, I have two matrix 'x' and 'y'. I
>> want, 'x' as my response variable and 'y' as predictor.
>> Each time one column of 'x' will be the response, say x[,1], then next
>> x[,2]
>> and so on. And also I need to store the coefficients in a matrix form.
>> Please help me.
>>
>>
>>
>>
>>
>>>
>>> x
>>>
>>
>>     [,1] [,2] [,3] [,4]
>> [1,]   -1    0    0    0
>> [2,]    0   -1    0    0
>> [3,]    0    0   -1    0
>> [4,]    0    0    0   -1
>>
>>
>>
>>
>>>
>>> y
>>>
>>
>>           [,1]         [,2]       [,3]      [,4]
>> [1,]  0.6748156  0.266461216 -0.6883143 2.1332456
>> [2,]  0.5668101  0.295578807  0.1743760 0.4730689
>> [3,] -2.9465207 -2.313246341 -0.6060058 0.6236515
>> [4,] -1.5882276  0.002852312 -1.3152300 0.9082773
>>
>> Thanks in advance
>> Angila A.
>>
>>        [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help at 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.
>>
>>
>>
>
> ______________________________________________
> R-help at 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.
>



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