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How to fix the data import?

Two optional arguments that you can add to .read_csv() to better represent the data from an external file are:

  • na_values: Converts a given string to np.nan, defaults to None
  • parse_dates: Reads the data in a list of given columns as dtype datetime64, defaults to False

Which of the following steps should you take to make sure that the data imported from nasdaq-listings.csv are accurately represented?

The nasdaq DataFrame that you created in the previous exercise is available in your workspace.

This exercise is part of the course

Importing and Managing Financial Data in Python

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