Using Data to Help Those in Crisis
This week Noelle Sio Saldana discusses her volunteer work at Crisis Text Line - a 24/7 service that connects anyone with crisis counselors. In the episode we discuss Noelle's career and how, as a part...
8 Maj 201534min
The Ghost in the MP3
Have you ever wondered what is lost when you compress a song into an MP3? This week's guest Ryan Maguire did more than that. He worked on software to issolate the sounds that are lost when you convert...
1 Maj 201535min
Data Fest 2015
This episode contains converage of the 2015 Data Fest hosted at UCLA. Data Fest is an analysis competition that gives teams of students 48 hours to explore a new dataset and present novel findings. ...
28 Apr 201527min
[MINI] Cornbread and Overdispersion
For our 50th episode we enduldge a bit by cooking Linhda's previously mentioned "healthy" cornbread. This leads to a discussion of the statistical topic of overdispersion in which the variance of som...
24 Apr 201515min
[MINI] Natural Language Processing
This episode overviews some of the fundamental concepts of natural language processing including stemming, n-grams, part of speech tagging, and th bag of words approach.
17 Apr 201513min
Computer-based Personality Judgments
Guest Youyou Wu discuses the work she and her collaborators did to measure the accuracy of computer based personality judgments. Using Facebook "like" data, they found that machine learning approaches...
10 Apr 201531min
[MINI] Markov Chain Monte Carlo
This episode explores how going wine testing could teach us about using markov chain monte carlo (mcmc).
3 Apr 201515min
[MINI] Markov Chains
This episode introduces the idea of a Markov Chain. A Markov Chain has a set of states describing a particular system, and a probability of moving from one state to another along every valid connected...
20 Mars 201511min
