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Basic Analysis > Bivariate Analysis > Statistical Details for the Bivariate Platform > Statistical Details for the Fit Polynomial Option
Publication date: 04/21/2023

Statistical Details for the Fit Polynomial Option

A polynomial of degree 2 is a parabola; a polynomial of degree 3 is a cubic curve. For degree k, the model for the ith row is defined as follows:

Equation shown here

where

Equation shown here is the response value at xi, the ith observation

βj is the jth parameter

k is the degree of the polynomial

εi is the error term for the model

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