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Module

x/vectorizer/mod.ts

Feature Extraction and Feature Selection in TypeScript
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import * as vectorizer from "https://deno.land/x/vectorizer@v0.3.7/mod.ts";

Classes

Confusion matrix for the result.

Class for 2D Arrays. This is not akin to a mathematical Matrix (a collection of column vectors). This is a collection of row vectors.

Variables

The fraction of positives that were predicted correctly

Functions

The fraction of predictions that were correct

Get a histogram of frequency of colors.

Mean Absolute Error

Mean Square Error

Extract patches from a 2d image

The fraction of "positive" predictions that were actually positive

Root Mean Square Error

The fraction of positives that were predicted correctly

The fraction of negatives that were predicted correctly

Convert milliseconds into a duration object.

Generate a normal random variate.

Generate a normally distributed array.

Get n evenly distributed numbers in a range.

Rearrange characters in a string randomly.

Get random number from range

Get an array of numbers between a given range, incremented by a step.

Shuffle a given array in-place.

Split arrays by their first axis

Get current time as an object

Remove duplicate values in an array. Uses a strict = for identifying duplicates.

Roll one from an array of weighted choices.