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raster (version 3.6-30)

rowSums: rowSums and colSums for Raster objects

Description

Sum values of Raster objects by row or column.

Usage

# S4 method for Raster
rowSums(x, na.rm=FALSE, dims=1L,...) 
# S4 method for Raster
colSums(x, na.rm=FALSE, dims=1L,...)

Value

vector (if x is a RasterLayer) or matrix

Arguments

x

Raster* object

na.rm

logical. If TRUE, NA values are ignored

dims

this argument is ignored

...

additional arguments (none implemented)

See Also

See cellStats for summing all cells values

Examples

Run this code
r <- raster(ncols=2, nrows=5)
values(r) <- 1:10
as.matrix(r)
rowSums(r)
colSums(r)

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