LAB 01:

DATA WRANGLING WITH PYTHON

September 21, 2015

SDS 235

Visual Analytics

Announcements

• To download the materials for today’s lab:http://www.science.smith.edu/~jcrouser/SDS235/demos/

DataWrangling.zip

• Lecture slides posted on course website ~30 minutes before each class

Lab Outline

• Setup• Object Creation• Exploring the data in a DataFrame• Basic Data Transformations• Selection• Boolean Indexing• Basic Math• Combining DataFrames• Grouping• Time Series• Reading/Writing to Files• Scraping Data from the Web

Coming Up

• Assignment 1 has been posted, due Sept. 30th at 5:59pm

• Some caveats: • This is a “dive right in” assignment. It might seem scary at first! • Start early, and try not to be afraid of making mistakes • Stuck? Post (public) questions on Piazza

• Wednesday’s Lecture Topic: Visualization Techniques