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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