[R] subgroup-based quantiles

[R Kozarski]

Dear R users, 
given the patient sample with their Gender and Age
        GENDER Age
   [1,]      2  45
   [2,]      1  58
   [3,]      1  54
   [4,]      2  71
   [5,]      2  64
 ...
I would like to create an another column which groups the patients wrt
Gender specific Age quantiles, following methodology similar to:

Age_group <- cut(Age, labels=c(1:10), breaks=quantile(Age,
seq(0,1,.1)),include.lowest = TRUE)

The function above allows me to group only wrt Age quantiles.

Best, Robert




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