Re: [R] problems with matrix, list and other..

From: billycorg <billycorg1_at_virgilio.it>
Date: Fri, 15 Jun 2007 10:22:33 -0700 (PDT)

thank you!
it works with:
E=list()
length(E)=1096
for(i in (2:1096)){E[[i]]=crossprod(solve(d[[i]]),cbind(e[[i]]))}

Petr Klasterecky wrote:

> 
> You only got what you deserved when not reading the manual...
> R-Intro, Chapters 5 and 6, page 26 in particular.
> http://cran.r-project.org/doc/manuals/R-intro.pdf
> 
> Petr
> 
> 
> billycorg napsal(a):

>> hi
>>
>> can anyone help me to solve these problems?
>>
>> i have:
>> 1) "d" matrix with 1096 rows;
>> for example,
>> d[2]=
>> [,1] [,2] [,3]
>> [1,] 0.1192566 0.0000000 0.0000000
>> [2,] 0.0000000 0.1065938 0.0000000
>> [3,] 0.0000000 0.0000000 0.1038888
>>
>> if I
>> class (d[2]) = "list"
>> solve(d[2]) = error!!!
>>
>> 2) "e" list with 1096 rows;
>> for example
>> e[2]2=
>> [[1]]
>> [1] -1.0892216 -0.7304947 -1.2883680
>>
>> d[2]%*%t(e[2])
>> this is the error: requires numeric matrix/vector arguments
>>
>> i've tried to coerce "e" to a matrix, but it's doesn't work...
>>
>> in the end.. i'd like this:
>> for (i in (1:1096)) {solve(d[i])*t(e[i])}
>>
>> help me, please :)
>>
>> Vincenzo
> 
> -- 
> Petr Klasterecky
> Dept. of Probability and Statistics
> Charles University in Prague
> Czech Republic
> 
> ______________________________________________
> R-help_at_stat.math.ethz.ch 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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Received on Fri 15 Jun 2007 - 17:33:36 GMT

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