Omsa midterm 2 - Study guides, Class notes & Summaries

OMSA Midterm 2, Exam Questions and answers. 100% Accurate. VERIFIED. Overfitting - -Number of factors is too close to or larger than number of data points -- fitting to both real effects and random effects. Comes from including too many variables! Ways to avoid overfitting - -- Need number of factors to be same order of magnitude as the number of points - Need enough factors to get good fit from real effects and random effects Simplicity - -Simple models are better than complex. When...

Overfitting Number of factors is too close to or larger than number of data points -- fitting to both real effects and random effects. Comes from including too many variables! Ways to avoid overfitting - Need number of factors to be same order of magnitude as the number of points - Need enough factors to get good fit from real effects and random effects Simplicity Simple models are better than complex. When fewer factors exist, less data collection is required -- less chance fo...

Overfitting correct answers Number of factors is too close to or larger than number of data points -- fitting to both real effects and random effects. Comes from including too many variables! Ways to avoid overfitting correct answers - Need number of factors to be same order of magnitude as the number of points - Need enough factors to get good fit from real effects and random effects Simplicity correct answers Simple models are better than complex. When fewer factors exist, less data col...