func (c *Condition) newTracker() *eventTracker {
et := &eventTracker{
df: smoothie.NewDataFrameFromSlice(make([]float64, c.WindowSize)),
states: smoothie.NewDataFrameFromSlice(make([]float64, STATUS_SIZE)),
}
if c.Aggregation != nil {
et.agg = &aggregator{}
}
return et
}
func (e *eventTracker) refresh() {
e.states = smoothie.NewDataFrameFromSlice(make([]float64, STATUS_SIZE))
e.occurences = 0
}