Multiple Linear Regression Calculator

Linear regression with several predictors: coefficients, R², ANOVA, and the assumption checks — residual normality, multicollinearity (VIF), homoscedasticity, priori power. Enter the data directly, paste from Excel, or load a file. Y is the last column.

Iterations

Significance level (α)

Digits

Choose Excel / CSV file

or drag a file onto the table

The two rows above the header: Include (✔ use the predictor / ✘ leave it out) and Transform (—, Log10, Ln, Sqrt, x²). Y is the last column — + Column adds predictors before it. Type directly or paste from Excel: Enter moves down, Tab moves right, rows and columns grow automatically.

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Regression

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Multiple Linear Regression Calculator

Removed rows (incomplete or non-numeric)

How to do it in R?