Python Statistics 模块

Python统计模块

Python 有一个内置模块，可用于计算数值数据的数学统计。

这个statistics模块是 Python 3.4 中的新模块。

Method	Description
statistics.harmonic_mean()	Calculates the harmonic mean (central location) of the given data
statistics.mean()	Calculates the mean (average) of the given data
statistics.median()	Calculates the median (middle value) of the given data
statistics.median_grouped()	Calculates the median of grouped continuous data
statistics.median_high()	Calculates the high median of the given data
statistics.median_low()	Calculates the low median of the given data
statistics.mode()	Calculates the mode (central tendency) of the given numeric or nominal data
statistics.pstdev()	Calculates the standard deviation from an entire population
statistics.stdev()	Calculates the standard deviation from a sample of data
statistics.pvariance()	Calculates the variance of an entire population
statistics.variance()	Calculates the variance from a sample of data