External module "stats/base/dists/negative-binomial/skewness/docs/types/index.d"

skewness

• skewness(r: number, p: number): number

• Returns the skewness of a negative binomial distribution.

  Notes

  • If provided a r which is not a positive number, the function returns NaN.
  • If p < 0 or p > 1, the function returns NaN.

  Parameters

  • r: number

    number of failures until experiment is stopped

  • p: number

    success probability

  Returns number

  skewness

  Example

  var v = skewness( 100, 0.2 );
  // returns ~0.201

  Example

  var v = skewness( 20, 0.5 );
  // returns ~0.474

  Example

  var v = skewness( 10.3, 0.8 );
  // returns ~0.836

  Example

  var v = skewness( -2, 0.5 );
  // returns NaN

  Example

  var v = skewness( 20, 1.1 );
  // returns NaN

  Example

  var v = skewness( 20, NaN );
  // returns NaN

  Example

  var v = skewness( NaN, 0.5 );
  // returns NaN