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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which method is used to count non-null values in a DataFrame?

  • (A) count()
  • (B) sum()
  • (C) size()
  • (D) value_counts()
  • Correct Answer - Option(A)
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Explanation by: Shyam Dubey
The count() method returns the number of non-NA/null values for each column or row.

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