[datatable-help] Syntax: ag["M",age]$age ?

[Dieter Menne]

When I want the vector of the males, I use the following:

ag =
data.table(gender=rep(c("M","F"),10),age=seq(10,20,length.out=20),key="gender")
ag["M",age]$age

Just for the elegance:  did I miss some method to get this without the
trailing $age?

Dieter

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