Detecting and Fixing Some Common Forecasting Problems: Heteroskedasticity, Multicollinearity, and Autocorrelation

• By Admin
• September 24, 2014
• Comments Off on Detecting and Fixing Some Common Forecasting Problems: Heteroskedasticity, Multicollinearity, and Autocorrelation

Detecting and Fixing Heteroskedasticity Several tests exist to check for the presence of heteroskedasticity. These tests also are applicable for testing misspecifications and nonlinearities. The simplest approach is to graphically … Continue Reading →