On Mar 18, 2012, at 3:07 PM, mail me wrote:
Hi:
Thanks for reply. I am using the following statement
res <- with(df, table(paste(item1, item2, sep=', ')) )
to get the frequency counts of the rows, which gives the following
output:
milk,bread 2
bread,butter 1
beer,diaper 3
milk,bread 2
You have already been asked why we readers should think that
'milk,bread' has two different entries. Until that is resolved there
is not a firm basis for offering further assistance.
But I need to extract from the above result two vectors or dataframes
(such as DF1 and DF2) to make the final output as below:
DF1
milk,bread
bread,butter
beer,diaper
milk,bread
DF2
2
1
3
2
Nonetheless, if you want to ignore the obvious problems in your data
feel free to use this:
DF1 <- data.frame(V1 = res[ , 1])
DF2 <- data.frame(V1 = res[ , 2])
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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