Computer scienceData scienceInstrumentsPandasData preprocessing with pandas

Working with missing values

Definition

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What does a "missing value" mean?

Tip: " " (empty string) is not a missing value. A missing value should be marked by NaN .

Select one option from the list

A value equal to " " (empty string)

A value equal to the mean of a column

A value equal to 0

No value

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