.bincode | R Documentation |
Bin a numeric vector and return integer codes for the binning.
.bincode(x, breaks, right = TRUE, include.lowest = FALSE)
x |
a numeric vector which is to be converted to integer codes by binning. |
breaks |
a numeric vector of two or more cut points, sorted in increasing order. |
right |
logical, indicating if the intervals should be closed on the right (and open on the left) or vice versa. |
include.lowest |
logical, indicating if an ‘x[i]’ equal to
the lowest (or highest, for |
This is a ‘barebones’ version of cut.default(labels =
FALSE)
intended for use in other functions which have checked the
arguments passed. (Note the different order of the arguments they have
in common.)
Unlike cut
, the breaks
do not need to be unique.
An input can only fall into a zero-length interval if it is closed
at both ends, so only if include.lowest = TRUE
and it is the
first (or last for right = FALSE
) interval.
An integer vector of the same length as x
indicating which bin
each element falls into (the leftmost bin being bin 1
).
NaN
and NA
elements of x
are mapped to
NA
codes, as are values outside range of breaks
.
cut
, tabulate
## An example with non-unique breaks: x <- c(0, 0.01, 0.5, 0.99, 1) b <- c(0, 0, 1, 1) .bincode(x, b, TRUE) .bincode(x, b, FALSE) .bincode(x, b, TRUE, TRUE) .bincode(x, b, FALSE, TRUE)
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