Description Usage Arguments Value
Variable index dynamic average
1 2 3  | make_vidya(period_short = 5, period_long = 20, alpha = 0.2, ...)
vidya(x, period_short = 5L, period_long = 20L, alpha = 0.2)
 | 
period_short | 
 short period for efficiency ratio  | 
period_long | 
 long period for efficiency ratio  | 
alpha | 
 smoothing factor  | 
... | 
 not used  | 
x | 
 variable to average  | 
an online function
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