Statlib

Installation

``bash
npm install statlib
``

Description

Lightweight, zero dependency package aimed to handle statistics found at a college introductory level.

It can compute the following

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- min
- max
- range)
- quartile
- median
- mode)
- Q1
- Q3
- IQR
- outliers
- sum
- mean
- variance (sample and population)
- standard deviation (sample and population)
- coefficient of variation
- skewness

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- Uniform: pdf, cdf, inverse/quantile
- Normal: pdf, cdf, inverse/quantile
- Binomial: pdf, cdf, inverse/quantile
- T: pdf, cdf, inverse/quantile
- Chi-squared: pdf, cdf
- F: pdf, cdf
- Poisson: pdf, cdf
- Geometric: pdf, cdf

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- Pearson correlation
- Linear regression

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- Z test
- 2 sample z test
- 1 proportion z test/07%3A_One-Sample_Inference/7.02%3A_One-Sample_Proportion_Test])
- 2 proportion z test
- T test
- 2 sample t test
- χ2 test
- χ2 goodness of fit
- Linear regression t test/12%3A_Correlation_and_Regression/12.02%3A_Simple_Linear_Regression/12.2.01%3A_Hypothesis_Test_for_Linear_Regression)
- 2 sample f test
- ANOVA

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- Z interval
- T interval
- 2 sample z interval
- 2 sample t interval
- One proportion z interval/08%3A_Estimation/8.02%3A_One-Sample_Interval_for_the_Proportion)
- Two proportion z interval/09%3A_Hypothesis_Tests_and_Confidence_Intervals_for_Two_Populations/9.03%3A_Two_Proportion_Z-Test_and_Confidence_Interval)

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- Random uniform
- Random normal
- Random binomial
- Random poisson

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- Matrix multiplication
- Transpose
- Inverse

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- Factorial
- Choose
- Gamma function
- Gammaln function
- Regularized gamma function
- Lower incomplete gamma function
- Upper incomplete gamma function
- Error function
- Inverse error function
- Beta function
- Incomplete beta function
- Incomplete beta inverse function
- Regularized incomplete beta function
- Regularized incomplete beta inverse function
- Pochhammer

License

See [LICENSE][stdlib-license].

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/math/main/LICENSE