Pandas Time Series Resampling and Interpolation
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Internal
Overview
This applies to time series.
To interpolate, resample at the desired frequency with resample(), and then call interpolate(). Instead of interpolation, the new elements can be forward filled with pad() or back filled with bfill(), or filled with mean() values, but in that case we get NaNs.
The object must have a datetime-like index (DatetimeIndex, PeriodIndex, TimedeltaIndex) or the caller must pass the label of a date time-like series/index.
s.resample("2H").interpolate()
s.resample("1D").interpolate()