global | R Documentation |

Compute global statistics, that is summarized values of an entire SpatRaster.

If `x`

is very large `global`

will fail, except when `fun`

is one of "mean", "min", "max", "sum", "prod", "range" (min and max), "rms" (root mean square), "sd" (sample standard deviation), "sdpop" (population standard deviation), "isNA" (number of cells that are NA), "notNA" (number of cells that are not NA).

You can compute a weighted mean or sum by providing a SpatRaster with weights.

## S4 method for signature 'SpatRaster' global(x, fun="mean", weights=NULL, ...)

`x` |
SpatRaster |

`fun` |
function to be applied to summarize the values by zone. Either as one of these character values: "max", "min", "mean", "sum", "range", "rms" (root mean square), "sd", "std" (population sd, using |

`...` |
additional arguments passed on to |

`weights` |
NULL or SpatRaster |

A `data.frame`

with a row for each layer

`zonal`

for "zonal" statistics, and `app`

or `Summary-methods`

for "local" statistics, and `extract`

for summarizing values for polygons. Also see `focal`

for "focal" or "moving window" operations.

r <- rast(ncols=10, nrows=10) values(r) <- 1:ncell(r) global(r, "sum") global(r, "mean", na.rm=TRUE)

Embedding an R snippet on your website

Add the following code to your website.

For more information on customizing the embed code, read Embedding Snippets.