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https://github.com/mljs/ml

Machine learning tools in JavaScript
https://github.com/mljs/ml

javascript machine-learning ml

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Machine learning tools in JavaScript

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# ml.js - Machine learning tools in JavaScript



## Introduction



This library is a compilation of the tools developed in the [mljs](https://github.com/mljs) organization.  

It is mainly maintained for use in the browser. If you are working with Node.js, you might prefer to add

to your dependencies only the libraries that you need, as they are usually published to npm more often.  

We prefix all our npm package names with `ml-` (eg. ml-matrix) so they are easy to find.



To include the ml.js library in a web page:



```html



```



It will be available as the global `ML` variable. The package is in UMD format.



## List of included libraries



### Unsupervised learning



- Principal component analysis (PCA): [`ML.PCA`](https://github.com/mljs/pca)

- Hierarchical clustering: [`ML.HClust`](https://github.com/mljs/hclust)

- K-means clustering: [`ML.KMeans`](https://github.com/mljs/kmeans)



### Supervised learning



- Naive Bayes: [`ML.NaiveBayes`](https://github.com/mljs/naive-bayes)

- K-Nearest Neighbor (KNN): [`ML.KNN`](https://github.com/mljs/knn)

- Partial least squares (PLS): [`ML.PLS`](https://github.com/mljs/pls)

- K-OPLS: [`ML.KOPLS`](https://github.com/mljs/pls)

- Cross-validation: [`ML.CrossValidation`](https://github.com/mljs/cross-validation)

- Confusion matrix: [`ML.ConfusionMatrix`](https://github.com/mljs/confusion-matrix)

- Decision tree classifier: [`ML.DecisionTreeClassifier`](https://github.com/mljs/decision-tree-cart)

- Random forest classifier: [`ML.RandomForestClassifier`](https://github.com/mljs/random-forest)



### Artificial neural networks (ANN)



- Feedforward Neural Networks: [`ML.FNN`](https://github.com/mljs/feedforward-neural-networks)

- Self-organizing map / Kohonen networks: [`ML.SOM`](https://github.com/mljs/som)



### Regression



- Simple linear regression: [`ML.SimpleLinearRegression`](https://github.com/mljs/regression-simple-linear)

- Polynomial regression: [`ML.PolynomialRegression`](https://github.com/mljs/regression-polynomial)

- Multivariate linear regression: [`ML.MultivariateLinearRegression`](https://github.com/mljs/regression-multivariate-linear)

- Power regression: [`ML.PowerRegression`](https://github.com/mljs/regression-power)

- Exponential regression: [`ML.ExponentialRegression`](https://github.com/mljs/regression-exponential)

- Theil-Sen regression: [`ML.TheilSenRegression`](https://github.com/mljs/regression-theil-sen)

- Robust polynomial regression: [`ML.RobustPolynomialRegression`](https://github.com/mljs/regression-robust-polynomial)

- Decision tree regression: [`ML.DecisionTreeRegression`](https://github.com/mljs/decision-tree-cart)

- Random forest regression: [`ML.RandomForestRegression`](https://github.com/mljs/random-forest)



### Optimization



- Levenberg-Marquardt: [`ML.levenbergMarquardt`](https://github.com/mljs/levenberg-marquardt)

- Fast Combinatorial Non-negative Least Squares: [`ML.FCNNLS`](https://github.com/mljs/fcnnls)



### Math



- Matrix: [`ML.Matrix`](https://github.com/mljs/matrix) (Matrix class)

- Singular value decomposition (SVD): [`ML.SVD`](https://github.com/mljs/matrix)

- Eigenvalue decomposition (EVD): [`ML.EVD`](https://github.com/mljs/matrix)

- Cholesky decomposition: [`ML.CholeskyDecomposition`](https://github.com/mljs/matrix)

- Lu decomposition: [`ML.LuDecomposition`](https://github.com/mljs/matrix)

- Qr decomposition: [`ML.QrDecomposition`](https://github.com/mljs/matrix)

- Sparse matrix: [`ML.SparseMatrix`](https://github.com/mljs/sparse-matrix)

- Kernels: [`ML.Kernel`](https://github.com/mljs/kernel)

- Distance functions: [`ML.Distance`](https://github.com/mljs/distance)

- Similarity functions: [`ML.Similarity`](https://github.com/mljs/distance)

- Distance matrix: [`ML.distanceMatrix`](https://github.com/mljs/distance-matrix)

- XORShift-add RNG: [`ML.XSadd`](https://github.com/mljs/xsadd)

- non-negative Generalized Morphological Component Analysis [`ML.nGMCA`](https://github.com/mljs/nGMCA)



### [`ML.Array`](https://github.com/mljs/array)



- [`ML.Array.min`](https://github.com/mljs/array/tree/master/packages/array-min)

- [`ML.Array.max`](https://github.com/mljs/array/tree/master/packages/array-max)

- [`ML.Array.median`](https://github.com/mljs/array/tree/master/packages/array-median)

- [`ML.Array.mean`](https://github.com/mljs/array/tree/master/packages/array-mean)

- [`ML.Array.mode`](https://github.com/mljs/array/tree/master/packages/array-mode)

- [`ML.Array.normed`](https://github.com/mljs/array/tree/master/packages/array-normed)

- [`ML.Array.rescale`](https://github.com/mljs/array/tree/master/packages/array-rescale)

- [`ML.Array.sequentialFill`](https://github.com/mljs/array/tree/master/packages/array-sequential-fill)

- [`ML.Array.standardDeviation`](https://github.com/mljs/array/tree/master/packages/array-standard-deviation)

- [`ML.Array.variance`](https://github.com/mljs/array/tree/master/packages/array-variance)



### [`ML.ArrayXY`](https://github.com/mljs/array-xy)



Functions dealing with an object containing 2 properties x and y, both arrays.



Example:



```js

let result = ML.ArrayXY.sortX({ x: [2, 3, 1], y: [4, 6, 2] });

// result = {x: [1,2,3], y: [2,4,6]}

```



- [ML.ArrayXY.weightedMerge](https://github.com/mljs/array-xy/tree/master/packages/array-xy-weighted-merge): Merge abscissa values on similar ordinates and weight the group of abscissa



- [ML.ArrayXY.maxMerge](https://github.com/mljs/array-xy/tree/master/packages/array-xy-max-merge): Merge abscissa values on similar ordinates and keeps the abscissa with bigger ordinate value

- [ML.ArrayXY.closestX](https://github.com/mljs/array-xy/tree/master/packages/array-xy-closest-x): Get the closest point for a specific abscissa value

- [ML.ArrayXY.centroidsMerge](https://github.com/mljs/array-xy/tree/master/packages/array-xy-centroids-merge): Merge abscissa values if the ordinate value is in a list of centroids

- [ML.ArrayXY.sortX](https://github.com/mljs/array-xy/tree/master/packages/array-xy-sort-x): Sort a set of point based on the abscissas values

- [ML.ArrayXY.maxY](https://github.com/mljs/array-xy/tree/master/packages/array-xy-max-y): Sort a set of point based on the abscissas values

- [ML.ArrayXY.uniqueX](https://github.com/mljs/array-xy/tree/master/packages/array-xy-unique-x): Ensure that x values are unique



### Statistics



- Performance (ROC curve): [`ML.Performance`](https://github.com/mljs/performance)



### Data processing



- Principal component analysis (PCA): [`ML.PCA`](https://github.com/mljs/pca)

- Savitzky-Golay filter: [`ML.savitzkyGolay`](https://github.com/mljs/savitzky-golay)

- Global Spectral Deconvolution (GSD): [`ML.GSD`](https://github.com/mljs/global-spectral-deconvolution)



### Utility



- Bit array operations: [`ML.BitArray`](https://github.com/mljs/bit-array)

- Hash table: [`ML.HashTable`](https://github.com/mljs/hash-table)

- Pad array: [`ML.padArray`](https://github.com/mljs/pad-array)

- Binary search: [`ML.binarySearch`](https://github.com/darkskyapp/binary-search)

- Number comparison functions for sorting: [`ML.numSort`](https://github.com/sindresorhus/num-sort)

- Random number generation: [`ML.Random`](https://github.com/mljs/random)



## License



[MIT](./LICENSE)