pandas.expanding_max¶
- pandas.expanding_max(arg, min_periods=1, freq=None, **kwargs)¶
Moving max of 1d array of dtype=float64 along axis=0 ignoring NaNs. Expanding maximum.
Parameters : arg : Series, DataFrame
min_periods : int, default None
Minimum number of observations in window required to have a value (otherwise result is NA).
freq : string or DateOffset object, optional (default None)
Frequency to conform the data to before computing the statistic. Specified as a frequency string or DateOffset object.
Returns : y : type of input argument