Regression

When working with formulas one can use predefined functions listed in the table below:

Name	Brief description
Ecm	It transforms the variable using the error correction model.
Ols	It models the variable using the linear regression (OLS estimation).
OlsR	It models the variable using the linear regression (OLS estimation). R is used for calculation.
Tsls	It models the variable using the linear regression (estimation by the instrumental variables methods).
TslsR	It models the variable using the linear regression (estimation by instrumental variables method). R is used for calculation.