Regression
Outlier Calculator
Flag outliers using the 1.5×IQR rule.
Related regression
Simple Linear RegressionFit ŷ = a + bx and test whether x predicts y.Multiple Linear RegressionFit a model with several predictors and inspect each coefficient.Quadratic Regression CalculatorFit ŷ = a + bx + cx² by least squares.Coefficient of Determination CalculatorStandalone R² for a linear fit between two variables.