External module "stats/base/dists/geometric/variance/docs/types/index.d"

variance

• variance(p: number): number

• Returns the variance of a geometric distribution.

  Notes

  • If p < 0 or p > 1, the function returns NaN.

  Parameters

  • p: number

    success probability

  Returns number

  variance

  Example

  var v = variance( 0.1 );
  // returns ~90.0

  Example

  var v = variance( 0.5 );
  // returns 2.0

  Example

  var v = variance( 1.1 );
  // returns NaN

  Example

  var v = variance( NaN );
  // returns NaN