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LinqStatistics

★ 102 Open GitHub ↗

Linq extensions to calculate basic statistics

// repository documentation

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# LinqStatistics

[![.NET](https://github.com/dkackman/LinqStatistics/actions/workflows/dotnet.yml/badge.svg)](https://github.com/dkackman/LinqStatistics/actions/workflows/dotnet.yml)
[![CodeQL](https://github.com/dkackman/LinqStatistics/actions/workflows/github-code-scanning/codeql/badge.svg)](https://github.com/dkackman/LinqStatistics/actions/workflows/github-code-scanning/codeql)
[![NuGet](https://img.shields.io/nuget/dt/LinqStatistics)](https://www.nuget.org/packages/LinqStatistics/)

- [API Documentation](https://dkackman.github.io/LinqStatistics/)

Linq extensions to calculate basic statistics.

Extension methods to compute basic statistics modeled after Enumerable.Average. Stats include:

- Covariance
- Median
- Mode
- Pearson's Correlation Coefficient
- Range
- Standard Deviation (sample and population)
- Variance (sample and population)
- Root Mean Square
- Least Squares Linear Regression
- CountEach
- Histogram

Basic usage looks like:

```csharp
static void Main(string[] args)
{
    IEnumerable<int> data = new int[] { 1, 2, 5, 6, 6, 8, 9, 9, 9 };

Console.WriteLine("Count = {0}", data.Count());
    Console.WriteLine("Average = {0}", data.Average());
    Console.WriteLine("Median = {0}", data.Median());
    Console.WriteLine("Mode = {0}", data.Mode());
    Console.WriteLine("Sample Variance = {0}", data.Variance());
    Console.WriteLine("Sample Standard Deviation = {0}", data.StandardDeviation());
    Console.WriteLine("Population Variance = {0}", data.VarianceP());
    Console.WriteLine("Population Standard Deviation = {0}", data.StandardDeviationP());
    Console.WriteLine("Range = {0}", data.Range());
}
```

## Building

This project makes heavy use of T4 templates. You will need Visual Studio and [this extension](https://github.com/RdJNL/TextTemplatingCore) if you want to build from source. VSCode doesn't seem to support T4 templates, nor does `dotnet build`.

## Older Versions

The latest version of this library target .NET 8 LTS. If you need to target older versions of .NET, you can find the appropriate version of this library on NuGet. [Version 2.3.0](https://www.nuget.org/packages/LinqStatistics/?version=2.3.0) targets .Net Standard 1.1 and .Net Framework 4.x.

LinqStatistics

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