pandas.stats.moments.rolling_count

pandas.stats.moments.rolling_count(arg, window, freq=None, center=False, time_rule=None)

Rolling count of number of non-NaN observations inside provided window.

arg : DataFrame or numpy ndarray-like window : Number of observations used for calculating statistic freq : None or string alias / date offset object, default=None

Frequency to conform to before computing statistic

center : boolean, default False

Whether the label should correspond with center of window

rolling_count : type of caller