spatstat.explore (version 3.2-5)

increment.fv: Increments of a Function

Description

Compute the change in the value of a function f when the function argument increases by delta.

Usage

increment.fv(f, delta)

Value

Another object of class "fv" compatible with X.

Arguments

f

Object of class "fv" representing a function.

delta

Numeric. The increase in the value of the function argument.

Author

Adrian Baddeley

Rolf Turner

and Ege Rubak

Details

This command computes the new function $$g(x)=f(x+h)-f(x-h)$$ where h = delta/2. The value of $g(x)$ is the change in the value of $f$ over an interval of length delta centred at $x$.

See Also

fv.object, deriv.fv

Examples

  plot(increment.fv(Kest(cells), 0.05))