On Jan 11, 2012, at 02:37 , R. Michael Weylandt wrote:
> That sort of name is allowed but not advised because it can lead to confusion
> in certain non-standard evaluation functions like subset().
Standard evaluation too:
data1$1G
attach(data1)
1G
Nowadays, backquoting (`1G`) solves the issue (in all cases?), but it wasn't
always so.
> If you really want the name like that add the check.names = FALSE argument to
> read.table()
[snip]
>> data1 <- read.table(file = "filename.txt", header=FALSE, col.names =
>> c("class", "P", "1G"))
>>
>> but in the output I get an X infront of "1G", which disappears when I run
>> it with the name 'G' instead of '1G'. Am I not allowed to use numerical
>> values?
[snap]
--
Peter Dalgaard, Professor
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd....@cbs.dk Priv: pda...@gmail.com
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