create binary vector of a given number

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is there an easy way to get a binary vector of a number. I would like to specify how many bits...

So for example 4 in 4bit would return c(F,T,F,F) or in 6bit c(F,F,F,T,F,F).

So what I want to create is something like this but with about 8 factors (tx)

tx <- factor(c("a", "b", "c"))
ty <- rep(0:(2 ^ length(tx) - 1), each=length(tx))
df <- data.frame(x=tx, y=ty)
df$z <- c(F,F,F,F,F,T,F,T,F,F,T,T,T,F,F,T,F,T,T,T,F,T,T,T)
ggplot(df, aes(x, y, fill = z)) + geom_raster()

Can anybody help me with this?

asked 10 secs ago

user7601

36

create binary vector of a given number