Linear Regression with PHP
Multiple Linear Regression with PHP-ML
Involves two or more independent variables. For example, predicting house prices based on
factors like size, number of rooms, and location.
This involves more than one independent variable and one dependent variable. The equation for multiple linear regression is:
Dataset
Test Data
rooms,size,distance,price
1,500,8,157250
2,750,9,198500
2,700,7,207825
2,850,6,251175
2,900,5,276250
3,1150,6,327250
3,1200,4,374850
3,1350,5,368750
3,1250,5,382500
3,1300,3,425000
4,1500,4,442750
4,1600,3,493000
4,1650,2,531250
4,1700,3,535500
4,1800,3,545000
5,1900,2,612000
5,2000,1,657750
5,2050,2,663000
5,2150,2,678250
5,2100,1,701500
6,2300,2,742750
6,2400,1,786250
6,2450,2,807500
6,2500,1,850000
6,2550,1,862500
rooms,size,distance
4,1800,3, // First house
2,1200,8 // Second house
Chart:
Features:
Result:
Memory: 0.112 Mb
Time running: 0.009 sec.
Predictions for new houses:
--------------------------
House 1: $577,026.62
House 2: $351,276.24
Metrics:
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Mean Squared Error: $10,608,032,372.39
Root Mean Squared Error: $102,995.30
Mean Absolute Error: $99,151.43