How do I handle outliers in my machine learning dataset?
Handling outliers is crucial as they can skew your model's performance. You can use methods like Z-score, IQR, or visualizations to identify them.
What is the IQR method?
The Interquartile Range (IQR) method involves calculating the first (Q1) and third quartiles (Q3) of your data, then identifying outliers as any points below Q1 - 1.5IQR or above Q3 + 1.5IQR.
Are there any techniques to treat outliers instead of removing them?
Yes, you can treat outliers by transforming the data (e.g., log transformation), using robust models, or imputing values based on other data points.
Can outliers ever be useful?
Absolutely! Outliers can provide valuable insights, especially in fraud detection or anomaly detection scenarios.
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