Aggregation

DataFrame.max()	Aggregate the columns of this DataFrame to their maximum value.
DataFrame.mean()	Aggregate the columns of this DataFrame to their mean value.
DataFrame.median()	Aggregate the columns of this DataFrame to their median value.
DataFrame.min()	Aggregate the columns of this DataFrame to their minimum value.
DataFrame.product()	Aggregate the columns of this DataFrame to their product values.
DataFrame.quantile(quantile[, interpolation])	Aggregate the columns of this DataFrame to their quantile value.
DataFrame.std([ddof])	Aggregate the columns of this DataFrame to their standard deviation value.
DataFrame.sum()	Aggregate the columns of this DataFrame to their sum value.
DataFrame.var([ddof])	Aggregate the columns of this DataFrame to their variance value.