Challenges in Data Forecasting
Problems encountered in producing forecasts are (1) limitations to using economic data, (2) data measurement error and bias, (3) limitations …
multicollinearity
Modules 8.6 – 8.9: Heteroskedasticity, Serial Correlation, Multicollinearity and Model Misspecification
Heteroskedasticity Heteroskedasticity occurs when the variance of the residuals is not constant across all observations. We are concerned with conditional …
Module 8.6 -8.9 Quantitative Methods – Common Issues with Regression Testing
Regression Model Assumptions Linear Regression Models operate under the following assumptions: A linear relationship exists between dependent and independent variables …