[R] easy way of paste

[arun]

 dat2<-as.data.frame(matrix(1:20,ncol=5))
 colnames(dat2)<- c("aa","dummy1","dummy2","bb","cc")
 paste(colnames(dat2),collapse="+")
#[1] "aa+dummy1+dummy2+bb+cc"
A.K.



----- Original Message -----
From: "Yuan, Rebecca" <rebecca.yuan at bankofamerica.com>
To: R help <r-help at r-project.org>
Cc: 
Sent: Thursday, March 21, 2013 11:15 AM
Subject: [R] easy way of paste

Hello,

Is there a better way to use paste such as:

a = paste(colnames(list.indep)[1],colnames(list.indep)[2],colnames(list.indep)[3],colnames(list.indep)[4],colnames(list.indep)[5],sep="+")



> a

[1] "aa+dummy1+dummy2+bb+cc"



I tried



a = paste(colnames(list.indep)[1:5],sep="+")



> a

[1] "aa" "dummy1"             "dummy2"              "bb"                   "cc"

But it will not give me the way I want.

Thanks,

Rebecca


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