scaletointerval

From spatstat v1.25-1 by Adrian Baddeley

Rescale Data to Lie Between Specified Limits

Rescales a dataset so that the values range exactly between the specified limits.

Keywords: methods, spatial, univar

Usage

scaletointerval(x, from=0, to=1)
  ## S3 method for class 'default':
scaletointerval(x, from=0, to=1)
  ## S3 method for class 'im':
scaletointerval(x, from=0, to=1)

Arguments

x: Data to be rescaled.
from,to: Lower and upper endpoints of the interval to which the values of x should be rescaled.

Details

These functions rescale a dataset x so that its values range exactly between the limits from and to.

The method for pixel images (objects of class "im") applies this scaling to the pixel values of x. Rescaling cannot be performed if the values in x are not interpretable as numeric, or if the values in x are all equal.

Value

An object of the same type as x.

Examples

X <- as.im(function(x,y) {x+y+3}, unit.square())
  summary(X)
  Y <- scaletointerval(X)
  summary(Y)

Documentation reproduced from package spatstat, version 1.25-1, License: GPL (>= 2)

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