This function requires the bigdata library section to be loaded.
bdLogical(length = 0) as.bdLogical(x) is.bdLogical(x)
bdVector,
or single-column
bdFrame.
Any S-PLUS object for
is.bdLogical.
bdLogical and
as.bdLogical
return an object of class
bdLogical, the big data analog of a
logical vector.
is.bdLogical returns
TRUE if
x
inherits from
bdLogical, and
FALSE otherwise.
bdLogical(5) as.bdLogical( c(T, T, F, F, NA) ) bd.fuel <- as.bdFrame(fuel.frame) is.bdFactor(bd.fuel$Weight > 2000)