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

mean

• mean(k: number): number

• Returns the expected value of a chi distribution.

  Notes

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

  Parameters

  • k: number

    degrees of freedom

  Returns number

  expected value

  Example

  var v = mean( 9.0 );
  // returns ~2.918

  Example

  var v = mean( 1.0 );
  // returns ~0.798

  Example

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

  Example

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