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# pandas.Panel4D.asfreq

`Panel4D.``asfreq`(freq, method=None, how=None, normalize=False)

  Convert all TimeSeries inside to specified frequency using DateOffset objects. Optionally provide fill method to pad/backfill missing values.

  Parameters : | freq : DateOffset object, or string method : {‘backfill’, ‘bfill’, ‘pad’, ‘ffill’, None} Method to use for filling holes in reindexed Series pad / ffill: propagate last valid observation forward to next valid backfill / bfill: use NEXT valid observation to fill method how : {‘start’, ‘end’}, default end For PeriodIndex only, see PeriodIndex.asfreq normalize : bool, default False Whether to reset output index to midnight
  Returns : | converted : type of caller

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