See
?split
help.search() is (or should be) your friend.
HTH,
Chuck
On Mon, 23 Jun 2008, Gundala Viswanath wrote:
Hi,
Given this data frame:
print(repo.dat)
V1 V2 V3 V4
V5 .... (can be more)
1 1007_s_at DDR1 2865.1 2901.3 1978.3 300.2
2 1053_at RFC2 103.6 81.6 108.0 101.3
I want to split them into two data frames yielding:
V1 V2 V3 ... etc
1 1007_s_at DDR1 2865.1 1978.3
2 1053_at RFC2 103.6 108.0
(V2 and V3 is obtain from V2 and V4 of original repo.dat)
and
V1 V2 V3 ...etc
1 1007_s_at DDR1 2901.3 300.2
2 1053_at RFC2 81.6 101.3
(V2 and V3 is obtain from V3 and V5 of original repo.dat)
In principle what we desire to do is to:
1. Given original data frame with V1, V2, V3, V4....
2. Split the data frame into two based on V2,V4,V6 ... (even) and V3,
V5, V7 ..(odd) in the original data frame
3. Meanwhile keep row names and V1 in two newly formed data frames.
Is there a compact way to do it?
- Gundala Viswanath
Jakarta - Indonesia
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Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
E mailto:[EMAIL PROTECTED] UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901
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