REGRESSION ANALYSIS

Polynomial Regression

Model curved engineering relationships using a second- or third-degree polynomial with fitted curve, ANOVA evidence, residual diagnostics, engineering interpretation, and a standardized Study Report.

PDF Study Report Included

Required Data Structure

Use a CSV or pasted table with one response and one numeric predictor.

One response column (Y)
One numeric predictor column (X)
Select degree 2 for quadratic curvature or degree 3 for more complex curvature

Download Example CSV

Temperature	Strength
20	42.1
25	46.4
30	51.8

Input Data

Upload CSVPaste CSV Data

Predictor Variable (X)

Response Variable (Y)

Polynomial Degree

Polynomial Regression Results

Coefficient Table

Analysis of Variance

Residual Diagnostic Plots

Study Report

Generate a Polynomial Regression Study Report with model summary, diagnostics, engineering interpretation, criteria reference, and method notes.