1. LAB 01: DATA WRANGLING WITH PYTHON September 21, 2015 SDS 235 Visual Analytics

2. Announcements To download the materials for today’s lab: http://www.science.smith.edu/~jcrouser/SDS235/demos/DataWr angling.zip Lecture slides posted on course website ~30 minutes before each class

3. 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

4. Coming Up Assignment 1 has been posted, due Sept. 30 th 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