When Apple CEO Tim Cook finally unveiled his company’s new Apple Watch in a widely-publicized rollout earlier this month, most of the press coverage centered on its cost ($349 to start) and whether it would be as popular among consumers as the iPod or iMac. Nitin Indurkhya saw things differently. “I think the most significantContinue reading “Be Smarter Than Your Devices: Learn About Big Data”
Monthly Archives: March 2015
Week #16 – Moving Average
In time series forecasting, a moving average is a smoothing method in which the forecast for time t is the average value for the w periods ending with time t-1.
Week #15 – Interaction term
In regression models, an interaction term captures the joint effect of two variables that is not captured in the modeling of the two terms individually.
Week #14 – Naive forecast
A naive forecast or prediction is one that is extremely simple and does not rely on a statistical model (or can be expressed as a very basic form of a model).