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2002 Dec 04
1
using edit.data.frame
dum is a simple data frame transferred to Splus using the dump()
command in Splus and the source() in R. All fields are numeric. There
are no missing data. The data frame looks like it is should:
> apply(dum,2,mode)
yrcl sland s02 s234
"numeric" "numeric" "numeric" "numeric"
> apply(dum,2,is.vector)
yrcl sland s02 s234
TRUE TRUE TRUE TRUE
> is.data.frame(dum)
[1] TRUE
But, when I try to use the edit.data.frame command,
> edit.data.frame(dum)
Error in edit.data.frame(...
2006 Mar 24
2
How to avoid for or while loops when one index depends on another
...once do this with FOR as opposed to WHILE in
R? Clearly if you attempt "j in i+1:length" you're in trouble when i
exceeds length.
Thanks for your help with this excellent open-source resource,
Dan
--
Daniel Goldstein, Ph.D.
Assistant Professor of Marketing
London Business School s234
Regent's Park, Sussex Place
London NW1 4SA, United Kingdom
p: +44 (0) 20 7706 6796
f: +44 (0) 20 7724 1145
www.dangoldstein.com