I've compiled all the notes I took at NICAR 2016. My favorite sessions were FOIA tricks, The Risks and Rewards of Rolling Your Own Criminal Justice Data, and any session where they talked about the Tampa Bay Times story, Failure Factories
Here is a massive list of nearly all the slides and tipsheets from the conference. It is still being updated.
Intro to CAR
More than 10 Great Databases to mine for Stories
FOIA Tricks
The Risks and Rewards of Rolling Your Own Criminal Justice Data
Data for Audio and Video
Deep Dives
Tracking Government Spending
All About The Analysis
New Uses for Old Data