Divide Hyperframe Into Subsets and Reassemble
split
divides the data x
into subsets defined
by f
. The replacement form replaces values corresponding to
such a division.
## S3 method for class 'hyperframe' split(x, f, drop = FALSE, ...) ## S3 replacement method for class 'hyperframe' split(x, f, drop = FALSE, ...) <- value
x |
Hyperframe (object of class |
f |
a |
drop |
logical value, indicating whether levels that do not occur should be dropped from the result. |
value |
a list of hyperframes which arose (or could have arisen)
from the command |
... |
Ignored. |
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.
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
.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
, Rolf Turner r.turner@auckland.ac.nz
and Ege Rubak rubak@math.aau.dk
split(pyramidal, pyramidal$group)
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