[R] Attributing values to matrix according to names

[Uwe Ligges]

Schneider, Manuel wrote:

> Dear R-helpers
> 
> Apologies for the basic question, but I just got stuck:
> 
> I would like to write values from a vector into array cells with the
> same names
> 
> 
>>count[1:10]
> 
> 10010 10014 10015 10017 10030 10080 10100 10230 10250 10280 
>     0     0     0     0     0     1     1     0     2     0 
> 
> 
>>data[1:10,,1]
> 
>       [,1] [,2] [,3] [,4] [,5] 
> 10010   NA   NA   NA   NA   NA   
> 10014   NA   NA   NA   NA   NA   
> 10015   NA   NA   NA   NA   NA   
> 10016   NA   NA   NA   NA   NA   
> 10017   NA   NA   NA   NA   NA   
> 10100   NA   NA   NA   NA   NA   
> 10140   NA   NA   NA   NA   NA   
> 10150   NA   NA   NA   NA   NA   
> 10160   NA   NA   NA   NA   NA   
> 10170   NA   NA   NA   NA   NA   
> 
> 
>>length(count)
> 
> [1] 2842
> 
> 
>>dim(data)
> 
> [1] 4667   5   10
> 
> My operation should result in
> 
> 
>>data[1:10,,1]
> 
>       [,1] [,2] [,3] [,4] [,5] 
> 10010    0   NA   NA   NA   NA   
> 10014    0   NA   NA   NA   NA  
> 10015    0   NA   NA   NA   NA   
> 10016   NA   NA   NA   NA   NA   
> 10017    0   NA   NA   NA   NA  
> 10100    1   NA   NA   NA   NA  
> 10140   NA   NA   NA   NA   NA   
> 10150   NA   NA   NA   NA   NA   
> 10160   NA   NA   NA   NA   NA   
> 10170   NA   NA   NA   NA   NA   
> 
> 
>>data["10014",1,1]<-count["10014"]
> 
> works but
> 
> 
>>data["names(count)",1,1]<-count["names(count)"] 

You mean

  data[names(count),1,1] <- count[names(count)]

without the quotes ...


Uwe Ligges



> Fails with Error: indexing outside limits.
> 
> Many thanks for any help
> 
> Manuel
> 
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