1
0
mirror of https://github.com/microsoft/qlib.git synced 2026-07-03 19:10:58 +08:00
This commit is contained in:
bxdd
2021-01-28 14:25:55 +00:00
parent f6dd006c35
commit ffa68fd010
5 changed files with 21 additions and 57 deletions

View File

@@ -26,9 +26,6 @@ class Diff(ElemOperator):
a feature instance with first difference
"""
def __init__(self, feature):
super(Diff, self).__init__(feature, "diff")
def _load_internal(self, instrument, start_index, end_index, freq):
series = self.feature.load(instrument, start_index, end_index, freq)
return series.diff()
@@ -50,9 +47,6 @@ class Distance(PairOperator):
a feature instance with distance
"""
def __init__(self, feature_left, feature_right):
super(Distance, self).__init__(feature_left, feature_right, "distance")
def _load_internal(self, instrument, start_index, end_index, freq):
series_left = self.feature_left.load(instrument, start_index, end_index, freq)
series_right = self.feature_right.load(instrument, start_index, end_index, freq)