pandas

summary: open-source Python library used for data science operation: runs over NumPy

• good for storing lists-of-lists (CSV) print(df)
• prints it out in an easy to read tabular format

pandas.DataFrame

DataFrame is the main object in pandas

• head(), tail()
  • prints out the first, last several rows (5 by default)
  • optional numerical argument defines number of rows
• describe()
  • numerical analyses, including count, unique, mean, etc
• sort_values('field',ascending=False)