Life Before Khan
Country where Patrick went to college
What is the Philippines
Patrick built this spreadsheet solution that displays usage metrics for content
What is content data explorer
Patrick often uses this unsupervised learning technique to identify learner behavioral patterns
What is cluster analysis (or what is kmeans)
Patrick’s “first” career before working in analytics & education
What is finance
Patrick built and maintained this curated dataset that describes how Khan users are responding to exercise questions (e.g. correct/ incorrect responses, hints)
What is question attempts
Patrick introduced this concept to analytics team, it refers to a process of laying out steps through which we believe our intervention will lead to outcomes
What is theory of action
Specifically what Patrick did in his “first” career before analytics & education
What is currency trader
Patrick wrote a lot of these complex functions in Bigquery, that are similar to the "Map" function in MapReduce
What is UDF (user defined functions)
Patrick used this in his work in knowledge metric, it refers to a psychometric theory of measurement, based on idea that the probability of a correct response to an item is a mathematical function of person and item parameters (proxying for person "abilities" and item "difficulty")
What is item response theory