What happens if I ignore interaction terms in my model?
Ignoring interaction terms can lead to misleading results, as it may overlook the combined effects of variables.
Can you give me an example of when this might be a problem?
Sure! In a study on education, if you ignore the interaction between teaching methods and student backgrounds, you might misinterpret the effectiveness of those methods.
How can I identify if I need to include interaction terms?
You can use exploratory data analysis or statistical tests to check for significant interactions between variables.
What are the consequences of including too many interaction terms?
Including too many interaction terms can lead to overfitting, making your model complex and less generalizable.
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