summary: summary

In terra: Spatial Data Analysis

summary

Description

Compute summary statistics (min, max, mean, and quartiles) for SpatRaster using base summary method. A sample is used for very large files.

For single or other statistics see Summary-methods, global, and quantile

Usage

## S4 method for signature 'SpatRaster'
summary(object, size=100000, warn=TRUE, ...)

## S4 method for signature 'SpatVector'
summary(object, ...)

Arguments

object	SpatRaster or SpatVector
size	positive integer. Size of a regular sample used for large datasets (see spatSample)
warn	logical. If TRUE a warning is given if a sample is used
...	additional arguments passed on to the base summary method

Value

matrix with (an estimate of) the median, minimum and maximum values, the first and third quartiles, and the number of cells with NA values

See Also

Summary-methods, global, quantile

Examples

set.seed(0)
r <- rast(nrows=10, ncols=10, nlyrs=3)
values(r) <- runif(nlyr(r)*ncell(r))
summary(r)

terra documentation built on Oct. 13, 2023, 5:08 p.m.