Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
使用 pyspark 模块中的峰度函数时pyspark.sql.functions.kurtosis(col),结果是否超过正态分布?IE。是否已经从峰度中减去 3 以产生 k-3?还是我们必须自己计算超出部分?
pyspark.sql.functions.kurtosis(col)
我可能是错的,但由于 pyspark 的峰度为负值,我假设它是过度峰度,它已经从计算中减去了 3。