[R] Query about using table

lalitha viswanath lalithaviswanath at yahoo.com
Thu Oct 26 20:44:16 CEST 2006


Hi
I have data of the following form
ID  age  member_FLAG
1    25      Y
2    36.75   N 
3    75.5    N
.........
.........

I want to get a histogram of this data showing 
distribution of member_flag in each age-bin i.e. how
many values in each age bin have a member_flag of 'Y'
and how many have 'N'.
I was able to do the same using barplot2.

However I also need similar information in a tabular
form using percentages.
i.e in each age bin, what is the PERCENTAGE of IDs
with a member_flag of 'Y' 

I am trying to work with table for the same, but would
appreciate some guidance regarding the above.

Thanks
Lalitha



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