Linear regression stands as a fundamental tool in data analysis. Nevertheless, for increasingly complex datasets, the limitations of ordinary least squares (OLS) emerge. Sophisticated regression techniques offer powerful alternatives, enabling analysts to represent intricate relationships and handle data heterogeneity. This exploration delves into

So, you've completed your O/Ls! Congratulations! This is a major milestone, and it opens up a whole new world of possibilities. Now comes the exciting but sometimes daunting task of figuring out your next steps. Don't worry, you're not alone in this journey. Many students encounter similar feelings of confusion after O/Ls. The first thing to do is