[R] binding vectors or matrix using their names

[Patrick Burns]

Not at all -- I can obfuscate much better.  


Bill.Venables at csiro.au wrote:

>Goodness Patrick, this must surely qualify for the obfuscated R competition finals.  I love it!
>
>  
>
[snip]

>
>A more serious, philosophical word on Patrick's solution.  It is rarely necessary (in my limited experience, sure) to have to use parse() like this.  Where it provides a quick (kludgy?) solution I often find it a useful exercise to consider alternatives.  They often come out simpler and you nearly always pick up something useful in the process.
>
>Bill V.
>
>
>  
>
[snip]

>
>I think you are looking for the eval-parse-text idiom:
>
>eval(parse(text=paste("cbind(", paste(my.names, collapse=", "), ")")))
>
>Patrick Burns
>
>  
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[snip]

>>>      
>>>
>>>>Hello list,
>>>>I have two vectors x and x2:
>>>>
>>>>x=runif(10)
>>>>x2=runif(10)
>>>>
>>>>and one vectors with their names :
>>>>
>>>>my.names=c("x","x2")
>>>>
>>>>I would like to cbind these two vectors using their names contained
>>>>        
>>>>
>>>in the
>>>      
>>>
>>>>vector my.names.
>>>>        
>>>>
[snip]