map, the reason is: .rdd.map(...) DataFrame.map has been removed in Spark 2. ... <看更多>

"sklearn.datasets" is a scikit package, where it contains a method load_iris(). load_iris(), by default return an object which holds data, target and other ... ... <看更多>

toHandy = toHandy DataFrame. ... [docs]class Handy(object): def __init__(self, df): self. ... _group_cols is not None else 0) assert idx < len(self. ... <看更多>