Dear all,

 

It seems to be a recurrent problem to me and I am asking your help to
get over it once for all ...

 

My idea is :

 

I have variables C_1, C_2, C_3 ... that corresponds to vectors of size
n, and I would like to cbind them.

 

I get a vector of their names using :  temp<- ls(pat="C")

And I like to find a way to use this vector temp as an argument to
cbind.

 

Unfortunately, my various trials failed, here are some samples of what I
tried :

 

 

Attempt : 

s0<-ls(pat="C")

s3<-split(s0, f=s0)  #as do.call need a list of arguments

do.call("cbind", s3)  #failed

 

 

attempt : 

s1<-as.character(rbind(ls(pat="C"), ", "))

s2<-paste( s1[1:(length(s1)-1)], collapse="")

    

    parse(text=paste(as.character(parse(text=s2)) #I couldn't manage to
get anywhere with this ...

 

It appears that I have a problem with "expressions" management, and I
couldn't find any clue in ?parse or ?expression

 

Thanks for any comment on this

Sincerely,

Pascal Boisson

 

 

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