# R: Robust SE library(sandwich); library(lmtest) coeftest(model, vcov = vcovHC(model, type="HC1"))
The PPT (PowerPoint Presentation) slides based on Gujarati's book provide a useful teaching tool for instructors. Updating these slides to reflect recent developments in econometrics can enhance their usefulness. Some potential updates could include:
: Applying results for government or management decision-making. Key Topics Covered