[R] colnames of a column

From: Alfredo Alessandrini <alfreale74_at_gmail.com>
Date: Fri, 20 Jun 2008 00:56:23 +0200


With this data.frame:

> class(rwl)

[1] "data.frame"


  0028002F 0028013F 0028032F

1833     3.39       NA       NA
1834     3.09       NA       NA
1835     3.05       NA       NA
1836     3.31       NA       NA
1837     2.26       NA       NA

> colnames(rwl)

[1] "0028002F" "0028013F" "0028032F"


> colnames(rwl[,1])

NULL why?? I expect: "0028002F"

Thanks in advance,


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