relevel.im

0th

Percentile

Reorder Levels of a Factor-Valued Image or Pattern

For a pixel image with factor values, or a point pattern with factor-valued marks, the levels of the factor are re-ordered so that the level ref is first and the others are moved down.

Keywords
manip, spatial
Usage
# S3 method for im
relevel(x, ref, …)

# S3 method for ppp relevel(x, ref, …)

# S3 method for ppx relevel(x, ref, …)

Arguments
x

A pixel image (object of class "im") with factor values, or a point pattern (object of class "ppp", "ppx", "lpp" or "pp3") with factor-valued marks.

ref

The reference level.

Ignored.

Details

These functions are methods for the generic relevel.

If x is a pixel image (object of class "im") with factor values, or a point pattern (object of class "ppp", "ppx", "lpp" or "pp3") with factor-valued marks, the levels of the factor are changed so that the level specified by ref comes first.

Value

Object of the same kind as x.

See Also

mergeLevels

Aliases
  • relevel.im
  • relevel.ppp
  • relevel.ppx
Examples
# NOT RUN {
  amacrine
  relevel(amacrine, "on")
# }
Documentation reproduced from package spatstat, version 1.59-0, License: GPL (>= 2)

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