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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