Description Usage Arguments Details Value See Also Examples
Generates series of the percentage variation of the series data passed as parameter.
1 |
data |
Time series or vector to be converted to a |
lag |
(Optional) Number of lags to differentiate with |
Data must be time indexed, either as ts
or zoo
. If observation(s) are negative or zero, the algorithm changes to the traditional percentage variation.
Time series of the percentage variation with the first position(s) as NA
.
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