Availability of MudPIT data for classification of biological samples

Table 1 Performance of classification obtained by using SVM - Collection1

	Spec.	Sens.	PPV	NPV	Acc.	F-score	Bal. Acc.	Informedness	MCC
Proteins	75%	91%	75%	91%	87%	0.46	83%	67%	0.66
Peptides	75%	100%	100%	92%	94%	0.48	88%	75%	0.72
m/z-DB1	50%	96%	80%	85%	84%	0.45	72%	46%	0.43
m/z-DB2	75%	96%	86%	92%	90%	0.47	85%	71%	0.69
m/z-DB3	37%	100%	100%	83%	84%	0.45	68%	37%	0.34

Specificity (Spec.), sensitivity (Sens.), positive predictive value (PPV), negative predictive value (NPV), accuracy (Acc.), F-score, balanced accuracy (Bal. Acc.), informedness and Matthews correlation coefficient (MCC) of collection 1. Evaluation capabilities have been obtained using observations not considered in the signal selection phase.