# Polynomial Trend from Grids

O. Conrad (c) 2011
Fits for each cell a polynomial trend function. Output are the polynomial coefficients for the chosen trend function.

## Parameters

Grid system
Grid system
  Grid system
Dependent Variables
Input Grid list
Independent Variable (per Grid and Cell)
Input Grid list
Independent Variable (per Grid)
Static table
Polynomial Coefficients
Output Grid list
Coefficient of Determination
Output Grid
Type of Approximated Function
Choice
  Available choices: first order polynom (linear regression), second order polynom, third order polynom, fourth order polynom, fifth order polynom