freq | R Documentation |
Frequency table of the values of a SpatRaster. NA
s are not counted unless value=NA
.
## S4 method for signature 'SpatRaster' freq(x, digits=0, value=NULL, bylayer=TRUE, usenames=FALSE)
x |
SpatRaster |
digits |
integer. Used for rounding the values before tabulation. Ignored if |
value |
numeric. An optional single value to only count the number of cells with that value. This value can be |
bylayer |
logical. If |
usenames |
logical. If |
A data.frame
with 3 columns (layer, value, count) unless bylayer=FALSE
in which case adata.frame
with two columns is returned (value, count).
r <- rast(nrows=10, ncols=10) set.seed(2) values(r) <- sample(5, ncell(r), replace=TRUE) freq(r) x <- c(r, r/3) freq(x, bylayer=FALSE) freq(x) freq(x, digits=1) freq(x, digits=-1) freq(x, value=5)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.