count.pos: Count occurrences in position raster

In dgromer/movhm: Functions for displaying movement data of groups as heatmaps.

Description

Count occurrences in position raster

Usage

count.pos(.data, x, y, blocksize, margins, consider.time = FALSE,
  time.transformation = sqrt)

Arguments

x	name of the column containing x-values (string)
y	name of the column containing y-values (string)
blocksize	scaling factor
margins	numeric vector of length 4 containing the margins (xmin, ymin, xmax, ymax)
consider.time	logical indicating whether to count one subject multiple times in one cell
time.transformation	if consider.time is TRUE, then time.transformation specifies the function to be applied to the position * time frequencies (default is sqrt). Can also be NULL.
data	a data frame containing columns for x- and y-values

Value

A data frame with x, y and f (freqency) columns

dgromer/movhm documentation built on May 15, 2019, 7:22 a.m.