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indicator: rename BollStream to BOLLStream
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@ -1,6 +1,6 @@
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package indicator
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type BollStream struct {
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type BOLLStream struct {
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// the band series
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*Float64Series
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@ -20,12 +20,12 @@ type BollStream struct {
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//
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// -> calculate SMA
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// -> calculate stdDev -> calculate bandWidth -> get latest SMA -> upBand, downBand
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func BOLL2(source Float64Source, window int, k float64) *BollStream {
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func BOLL2(source Float64Source, window int, k float64) *BOLLStream {
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// bind these indicators before our main calculator
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sma := SMA2(source, window)
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stdDev := StdDev2(source, window)
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s := &BollStream{
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s := &BOLLStream{
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Float64Series: NewFloat64Series(),
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UpBand: NewFloat64Series(),
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DownBand: NewFloat64Series(),
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@ -45,7 +45,7 @@ func BOLL2(source Float64Source, window int, k float64) *BollStream {
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return s
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}
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func (s *BollStream) Calculate(v float64) float64 {
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func (s *BOLLStream) Calculate(v float64) float64 {
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stdDev := s.StdDev.Last(0)
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band := stdDev * s.k
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return band
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