Table 1.

Evaluation metrics for each skiing style and group of styles in number of turns; ratio, turn count precision, and recall of each adapted confusion matrix.

Turn Sequence	AT	TP	FP	FN	Ratio	Precision	Recall
Short carved turns	231	230	1	2	0.996	0.996	0.991
Long carved turns	143	143	1	0	1.007	0.993	1
Drifted turns	132	109	0	22	0.833	1	0.833
Snowplow	104	47	9	57	0.538	0.839	0.452
TURN SEQUENCE GROUPED
Carved	374	373	2	2	0.997	0.995	0.995
Parallel	506	482	2	24	0.953	0.996	0.953
All	610	529	11	81	0.867	0.980	0.867

AT, actual turns; TP, true positives; FP, false positives; FN, false negatives; Precision, turn count precision. Carved includes short and long carved turns. Parallel includes carved and drifted turns. All includes parallel and snowplow.