Full-Band GSM Fingerprints for Indoor Localization Using a Machine Learning Approach

Table 2

Confusion Matrices for 35 Best Overall and All 488 carrier sets, using a Linear SVM classifier. Figures quoted are in percent. Using the full number of carriers tightens up the diagonal to give individual room classification efficiencies near 100%.

(a)

Confusion Matrix	True class
	35 Best overall
Pred. Class	1	2	3	4	5
1	95	5.3			3.3
2	1.4	93.3	3.6
3	0.7	1.3	77.9	11.4
4			16.4	87.9	0.7
5	2.9		2.1	0.7	96

(b)

Confusion Matrix	True class
	All 488
Pred. Class	1	2	3	4	5
1	100		0.7
2		100
3			91.4	1.4	1.3
4			5.7	98.6
5			2.2		98.7