library(hgu95av2.db)
x <- hgu95av2CHRLOC
ls(x)[1:3]
exists(ls(x)[1], x)
exists("titi", x)
get(ls(x)[1], x)
x[[ls(x)[1]]]
x$titi # NULL
mget(ls(x)[1:3], x)
eapply(x, length)
contents(x)
sample(x, 3)
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