Client only
App Name
Polynomial and 4PL Curve Fit/Regression
Tool Function
curve fit based on polynomial and Four Parameter Logisitics (4PL) model
Input Data
curve Fit Model
Poly degree
Curve Fit result
coefficients：
Formula：
Coefficient Square (r^2)：
Verify model
predict Y against X
predict X against Y
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Posted @ No zone / 2026-06-26