Irispie

Latest version: v0.54.11

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0.20.0

Release notes

Backward compatibility breaking changes

* Most of time series transformations (i.e. operations that take a time series and transform its values into another single time series) are now introduced in a dual form: as a method and as a function.

The method syntax is the following


x.pct()


and works in-situ (in-place), meaning it transforms the values inside the time series object `x` and __does not return anything back__.

The function syntax is the following


y = pct(x)


and produces a new time series object, here `y`, leaving the original `x` unchanged. Note that the function name (here, `pct`) needs to be prepended the `irispie` package alias, such as `ir.pct`.

The list of time series operations having a dual form is the following


diff
diff_log
pct
roc
cum_diff
cum_diff_log
cum_pct
cum_roc
mov_avg
mov_sum
mov_prod
fill_missing
aggregate
disaggregate
x13
hpf_trend
hpf_gap


(more to come).

NB: The `hpf` filter is now implemented as a function only (not as a method) because it returns __two__ outputs (the trend and the gap).



Other changes and new features

* The `Databank` class is now named `Databox` to remove confusion when dealing with actual databases and databanks. The name `Databank` is still preserved though s an alias for backward compatibility.

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