target_entity="customers",
agg_primitives...=["count", "avg_time_between"],
where_primitives=["count", "avg_time_between...target_entity="customers",
agg_primitives=["mean", "max", "min", "std...", "skew"],
trans_primitives=["time_since_previous"])
#自定义特征基元
from...featuretools.primitives import make_agg_primitive, make_trans_primitive
from featuretools.primitives