func (b *SparkChart) ClearData() {
	b.mtx.Lock()
	defer b.mtx.Unlock()

	b.data = make([]float64, 0)
}
func (b *SparkChart) ClearData() {
	b.mtx.Lock()
	defer b.mtx.Unlock()

	b.data = make([]float64, 0)
}
func ( b * SparkChart ) ClearData ( ) { b . mtx . Lock ( ) defer b . mtx . Unlock ( ) b . data = make ( [ ] float64 , 0 ) }
// ClearData removes all bar from chart
ClearData removes all bar from chart