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

variance

• variance(k: number): number

• Returns the variance of a chi distribution.

  Notes

  • If provided k < 0, the function returns NaN.

  Parameters

  • k: number

    degrees of freedom

  Returns number

  variance

  Example

  var v = variance( 9.0 );
  // returns ~0.485

  Example

  var v = variance( 1.0 );
  // returns ~0.363

  Example

  var v = variance( -0.2 );
  // returns NaN

  Example

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