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rasterdiv (version 0.2-5)

PielouS: Sequential Pielou's diversity index

Description

Pielou's diversity index.

Usage

PielouS(rasterm, w, na.tolerance, debugging)

Arguments

rasterm

input data.

w

half of the side of the square moving window.

na.tolerance

a numeric value (0.01.0) which indicates the proportion of NA values that will be tolerated to calculate Rao's index in each moving window over x. If the relative proportion of NA's in a moving window is bigger than na.tolerance, then the value of the window will be set as NA, otherwise Rao's index will be calculated considering the non-NA values. Default values is 0.0 (i.e., no tolerance for NA's).

debugging

a boolean variable set to FALSE by default. If TRUE, additional messages will be printed. For de-bugging only.

Value

Matrix or a list of matrixes with the Pielou index computed through moving window of the given size.

See Also

Pielou