Table 1. Total number of test and training sequences.

	Training sequences	Testing sequences
RNase P	178	90
RNase MRP	9	5
snoRNA + scaRNA	978 + 9	452 + 4
telomerase RNA	29	17
Y RNA	9	5
snRNA	170	85

The table displays the number of training and testing sequences of each ptRNA-subclass used for the SVM.