Table 4. Trained logistic regression model parameters.

Features	Data subsets	Number of coefficients	Number of non-zero coefficients
2 features	Labs	480	123
4 features	Labs	960	344
8 features	Labs	1920	418
16 features	Labs	3840	770
32 features	Labs	7680	894
42 features	Labs	10080	1058
	Labs+demo	10224	619
	Labs+demo+events	11568	684
	Labs+demo+events+triples	-	-
11 filtered features	Labs	2640	614
	Labs+demo	2784	448
	Labs+demo+events	4128	609
	Labs+demo+events+triples	47568	686