Accord .NETでモデリングする

まず、手始めに簡単な線形回帰を行ってみます。

#r "nuget:Accord"

Installed package Accord version 3.8.0

#r "nuget:Accord.Statistics"

Installed package Accord.Statistics version 3.8.0

using Accord.Statistics.Models.Regression.Linear;
using System;

    double[] inputs = {80, 60, 10, 20, 30};
    double[] outputs = {20, 40, 30, 50, 60};
    var regression = new SimpleLinearRegression();
    regression.Regress(inputs, outputs);
    var y = regression.Compute(85);
    var a = regression.Slope;
    var b = regression.Intercept;

y

28.08823529411765

a

-0.26470588235294107

b

50.58823529411764