s-deviation

Math utility to calculate standard deviations.

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s-deviation
2.0.43 years ago8 years agoMinified + gzip package size for s-deviation in KB

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WARNING
This module is lack of maintainance.
If you are familiar with python programming maybe you could check stock-pandas which provides powerful statistic indicators support, and is backed by numpy and pandas.
The performance of stock-pandas is many times higher than JavaScript libraries, and can be directly used by machine learning programs.
s-deviation
Math utility to calculate standard deviations, especially for fintech.

Install

$ npm install s-deviation

Usage

import sd from 's-deviation'

sd([1, 2, 4, 8], 2)         // [<1 empty item>, 0.5, 1, 2]

sd([1, 2, 3, 4, 5, 6], 4)
// [
//   <3 empty items>,
//   1.118033988749895,
//   1.118033988749895,
//   1.118033988749895
// ]

sd(datum, size)

  • datum Array.<Number> the collection of data
  • size Number the sample size of

Returns Array.<Number> the array of standard deviations.

Related Modules

License

MIT