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Unit 4 · Series and DataFrames

The two pandas objects, and the labels that make them different from arrays.

  1. 1The SeriesA column with labels attached, and the labels travel with the data.
  2. 2Building a DataFrameA table is a dictionary of columns that share one index.
  3. 3Selecting Columns and Rowsloc goes by label, iloc goes by position, and the difference matters.
  4. 4Adding and Dropping ColumnsA new column is an assignment, and drop returns a new table by default.
  5. 5dtypes in pandasWhat each column is holding, and how to change it on purpose.
  6. 6Reading a CSV into pandasOne line replaces the whole of unit 1, and then you check what you got.