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Standard
Error Bands for MetaStock
for Windows
rev. 01/06/97
For interpretation
refer to the article "Standard Error Bands",
in the September 96 issue of TASC, written by Jon
Anderson.
21 period
Upper Band (smoothed):
| Mov((21
* Sum(Cum(1) * C,21) - Sum(Cum(1),21) *
Sum(C,21)) / (21 * Sum(Pwr(Cum(1),2),21)
- Pwr(Sum(Cum(1),21),2)) * Cum(1) +
(Mov(C,21,S) - Mov(Cum(1),21,S) * (21 *
Sum(Cum(1) * C,21) - Sum(Cum(1),21) *
Sum(C,21))/ (21 * Sum(Pwr(Cum(1),2),21)
- Pwr(Sum(Cum(1),21),2))) +2*(Sqrt(((Sum(Power(C,2),21)-(Power(Sum(C,21),2)/21))
-((Sum(Cum(1)*C,21))-((Sum(Cum(1),21)*Sum(C,21)/21)))/
((Sum(Power(Cum(1),2),21))-(Power(Sum(Cum(1),21),2)/21))
*((Sum(Cum(1)*C,21))-((Sum(Cum(1),21)*Sum(C,21)/21))))
/19)),3,S) |
21 period
Lower Band (smoothed):
| Mov((21
* Sum(Cum(1) * C,21) - Sum(Cum(1),21) *
Sum(C,21)) / (21 * Sum(Pwr(Cum(1),2),21)
- Pwr(Sum(Cum(1),21),2)) * Cum(1)
+(Mov(C,21,S) - Mov(Cum(1),21,S) * (21 *
Sum(Cum(1) * C,21) - Sum(Cum(1),21) *
Sum(C,21))/ (21 * Sum(Pwr(Cum(1),2),21)
- Pwr(Sum(Cum(1),21),2))) - 2*(Sqrt(((Sum(Power(C,2),21)-(Power(Sum(C,21),2)/21))
-((Sum(Cum(1)*C,21))- ((Sum(Cum(1),21) *
Sum(C,21)/21))) / ((Sum(Power(Cum
(1),2),21))-(Power(Sum(Cum(1),21),2)/21))*((Sum(Cum(1)*C,21))-
((Sum(Cum(1),21)*Sum(C,21)/21))))
/19)),3,S) |
21 period
R2 (smoothed):
| Mov((Pwr(Corr(Cum(1),C,21,0),2)),3,S) |
21 period
Regression Slope:
| (((Sum(Cum(1)*C,21))-(Sum(Cum(1),21)*Sum(C,21)/21))
/
((Sum(Power(Cum(1),2),21))-(Power(Sum(Cum(1),21),2)/21))) |
21 period
%A:
| ((C-Fml("21
period lower band (smoothed)")) / (Fml("21
period upper band(smoothed)") -Fml("21
period lower band (smoothed)"))) |
21 period
Regression (smoothed):
| Mov((21*Sum(Cum(1)*C,21)-Sum(Cum(1),21)*Sum(C,21))/
(21*Sum(Pwr(Cum(1),2),21)-Pwr(Sum(Cum(1),21),2))*Cum(1)
+(Mov(C,21,S) - Mov(Cum(1),21,S) *
(21*Sum(Cum(1) * C,21) -
Sum(Cum(1),21)*Sum(C,21))/(21*Sum(Pwr(Cum(1),2),21)
-Pwr(Sum(Cum(1),21),2))),3,S) |
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