Hi R,
This is a cross tabulation question. Suppose that,
> d=read.table("clipboard",header=F)
> d
V1 V2 V3
A One Apple
A One Cake
A One Cake
B One Apple
B One Apple
B One Apple
> table(d$V2,d$V3)
Apple Cake
One 4 2
But, I don't want the count to be like the above. Here, it is counting
the number of rows in that particular category. What I need is in each
category, the count of unique V1's. So, my output should look like,
Apple Cake
One 2 1
Any ideas please...
Thanks, Shubha
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