Table 2.

Logistic Regression of Gene Functionality Against Predictor Variables, Using the Full Escherichia coli Genome

Predictor	Estimate	Standard Error	z Value	P Value
Model I
ZΔG	0.315	0.065	4.83	1.35×10 − 6
Intercept	2.79	0.069	40.3	< 2×10 − 16
Model II
CAI	10.9	1.12	9.79	< 2×10 − 16
Expression	0.099	0.045	2.19	0.028
Intercept	−0.60	0.32	−1.90	0.056
Model III
ZΔG	0.245	0.067	3.64	2.7×10 − 4
CAI	10.5	1.12	9.42	< 2×10 − 16
Expression	0.099	0.045	2.19	0.029
Intercept	−0.546	0.32	–1.72	0.085