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Exercise

Examining the data

Now that you've imported the data, you will examine it to ensure it is valid. While it may be tempting to dive into analysis, by validating your dataset immediately, you ensure that the insights you derive are both true and actionable. Ensuring the validity of your dataset should always be the first step you take when beginning analysis on a new dataset.

The marketing DataFrame is available in your workspace.

Instructions 1/3
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  • 1

    Print the first five rows of the marketing DataFrame.

    • 2

      Print the summary statistics of all columns in the marketing DataFrame.

    • 3

      Print the number of non-missing values and the data type of all columns in marketing.