[R] Hmisc interaction behavior

Remko Duursma den.duurs at lycos.com
Sun Apr 20 05:42:29 CEST 2003

Dear R-helpers,

Can someone explain to me why the function interaction() from the Hmisc library results in numeric?

test1 <- c("A","B","C")
test2 <- c("D","E","F")


[1] TRUE

I had problems with this side effect in a different function.


Remko Duursma

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