08 Nonlinear regression Flashcards
1
Q
types of nonlinear regression using logarithms
A
linear-log model
log-linear model
log-log model
2
Q
linear-log model
A
A nonlinear regression function in which the dependent variable is Y and the independent variable is ln(X)
3
Q
log-linear model
A
A nonlinear regression function in which the dependent variable is ln(Y) and the independent variable is X
4
Q
log-log model
A
A nonlinear regression function in which the dependent variable is ln(Y) and the independent variable is ln(X)
5
Q
how to choose best nonlinear regression model
A
- scatter plot
- t-tests, F-tests
- economic theory, experts
6
Q
interaction term
A
A regressor that is formed as the product of two other regressors, such as X1i x X2i
