Category: Month: August 2015
The Concord Consortium is delighted to announce our new Chief Learning Scientist, Janet Kolodner. She is Regents’ Professor Emerita in Computing and Cognitive Science at the Georgia Institute of Technology, and previously was on loan to the National Science Foundation from 2010 to 2014.
Two time series and their cross-correlation functionsIn a previous post, I showed you what autocorrelation function (ACF) is and how it can be used to detect temporal patterns in student data. The ACF is the correlation of a signal with itself. We are …