[R] Creating and assigning variable names in loop
aajit75
aajit75 at yahoo.co.in
Wed Dec 21 11:01:12 CET 2011
Hello List
I am trying to create and assign variable names in loop, but not able to get
expected variable names.
Here is the sample code
n = 10
set.seed(1)
x1 = rnorm(n,0)
x2 = rnorm(n,0)
samp_data <- data.frame(x1,x2)
for( i in 1:3) {
label <- paste("score", i, sep="_")
assign(label, value =x1+(x2*i) )
samp_data <- cbind(samp_data, get(label))
}
> head(samp_data)
x1 x2 get(label) get(label)
get(label)
1 -0.6264538 1.51178117 0.8853274 2.3971085 3.9088897
2 0.1836433 0.38984324 0.5734866 0.9633298 1.3531730
3 -0.8356286 -0.62124058 -1.4568692 -2.0781098 -2.6993504
4 1.5952808 -2.21469989 -0.6194191 -2.8341190 -5.0488189
5 0.3295078 1.12493092 1.4544387 2.5793696 3.7043005
6 -0.8204684 -0.04493361 -0.8654020 -0.9103356 -0.9552692
I am expecting new variables to be created in the samp_data are
score_1 score_2 score_3, instead get(label) get(label) get(label)
Where am I going wrong?
Thanks in advance
~Ajit
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