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)