Interview Q&A / Data Science
Data Science interview questions
Statistics, pandas, cleaning data and exploratory analysis for analyst and data science roles.
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- How do you find and handle missing values in pandas?
Use isna().sum() to count them, then dropna to remove rows or columns, or fillna to fill them with a constant, mean, median or group value. Check what share is missing first, since the right fix depends on it.
BeginnerQuick answer1 min read