split divides the data x into subsets defined
by f. The replacement form replaces values corresponding to
such a division.
# S3 method for hyperframe
split(x, f, drop = FALSE, ...) # S3 method for hyperframe
split(x, f, drop = FALSE, ...) <- value
The value returned from split.hyperframe is a list of
hyperframe containing
the values for the groups. The components of the list are named
by the levels of f (after converting to a factor, or if already
a factor and drop = TRUE, dropping unused levels).
The replacement method split<-.hyperframe returns
a new hyperframe x for which split(x,f) equals value.
Hyperframe (object of class "hyperframe").
a factor in the sense that as.factor(f) defines the
grouping, or a list of such factors in which case their
interaction is used for the grouping.
logical value, indicating whether levels that do not occur should be dropped from the result.
a list of hyperframes which arose (or could have arisen)
from the command split(x,f,drop=drop).
Ignored.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
, Rolf Turner r.turner@auckland.ac.nz
and Ege Rubak rubak@math.aau.dk
These are methods for the generic functions
split and split<-
for hyperframes (objects of class "hyperframe").
A hyperframe is like a data frame, except that its entries can be objects of any kind. The behaviour of these methods is analogous to the corresponding methods for data frames.
hyperframe, [.hyperframe
split(pyramidal, pyramidal$group)
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