liuyu/qlib
1
0
Fork 0
mirror of https://github.com/microsoft/qlib.git synced 2026-07-01 18:11:18 +08:00
Code Activity

Merge pull request #300 from bxdd/qlib_2021_03_02

Browse Source 
Update FAQ doc & Update ops docstring
This commit is contained in:
you-n-g
2021-03-03 14:11:11 +08:00
committed by GitHub
parent d1d70616a3 5378d261b4
commit 7258340e0c
2 changed files with 30 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
docs/FAQ/FAQ.rst
View File

@@ -70,3 +70,31 @@ If the issue is not resolved, use ``keys *`` to find if multiple keys exist. If
Also, feel free to post a new issue in our GitHub repository. We always check each issue carefully and try our best to solve them.
3. ModuleNotFoundError: No module named 'qlib.data._libs.rolling'
------------------------------------------------------------------------------------------------------------------------------------
.. code-block:: python
#### Do not import qlib package in the repository directory in case of importing qlib from . without compiling #####
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "qlib/qlib/__init__.py", line 19, in init
from .data.cache import H
File "qlib/qlib/data/__init__.py", line 8, in <module>
from .data import (
File "qlib/qlib/data/data.py", line 20, in <module>
from .cache import H
File "qlib/qlib/data/cache.py", line 36, in <module>
from .ops import Operators
File "qlib/qlib/data/ops.py", line 19, in <module>
from ._libs.rolling import rolling_slope, rolling_rsquare, rolling_resi
ModuleNotFoundError: No module named 'qlib.data._libs.rolling'
- If the error occurs when importing ``qlib`` package with ``PyCharm`` IDE, users can execute the following command in the project root folder to compile Cython files and generate executable files:
.. code-block:: bash
python setup.py build_ext --inplace
- If the error occurs when importing ``qlib`` package with command ``python`` , users need to change the running directory to ensure that the script does not run in the project directory.

4
qlib/data/ops.py
View File

@@ -1182,7 +1182,7 @@ class Slope(Rolling):
Returns
----------
Expression
a feature instance with regression slope of given window
a feature instance with linear regression slope of given window
"""
def __init__(self, feature, N):
@@ -1210,7 +1210,7 @@ class Rsquare(Rolling):
Returns
----------
Expression
a feature instance with regression r-value square of given window
a feature instance with linear regression r-value square of given window
"""
def __init__(self, feature, N):