What is Marginalization? (opens in new tab)

In machine learning and statistics, marginalization simply means summing over a set of independent variables. For example, suppose an avid tennis player kept track of the number of days he played tennis over a period of time as well as the weather on that day: .blue { background-color:#09f1; } .gray { background-color:#80808012; } weather sunny cloudy rainy totals play? yes 70 25 1 96 no 70 5 9 84 totals 140 30 10 180 (In this table we’re keeping track of the number of days. If you want proba...