Community Data Science Course (Spring 2016)/Day 4 Notes

We will be discussing this data set.

• One of the most important qualities of the Scientific Revolution was that results were broadly shared, so new results could build on top of existing knowledge.
• Repeatability is the key to science (even data science): your results are only scientific if they are repeatable by a third party.

Today's Lecture Let's go end to end on a data question: are there factors that predict injuries and fatalities in automobile accidents?

• Download data
• Explore the data: find missing values, identify categorical, numerical, ordinal data fields
• Transform (filter, project)
• Analyze (see todo for prompts)

1. Find data. Let's start at Seattle Data.
   1. brief aside: Socrata
2. Download it.
3. Write exploratory scripts
   1. Using open to open a file in python.
4. Write transformation script
5. In groups, answer the todo prompts.