rowSums and colSums for Raster objects

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Description

Sum values of Raster objects by row or column.

Usage

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

Arguments

x

Raster* object

na.rm

logical. If TRUE, NA values are ignored

dims

this argument is ignored

...

additional arguments (none implemented)

Value

vector (if x is a RasterLayer) or matrix

See Also

See cellStats for summing all cells values

Examples

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

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