release-0.5.0 (#1)

* init commit

* change the version number

* rich the docs&fix cache docs

* update index readme

* Modify cache class name

* Modify sharpe to information_ratio

* Modify Group- to Group

* add the description of graphical results & fix the backtest docs

* fix docs in details

* update docs

* Update introduction.rst

* Update README.md

* Update introduction.rst

* Update introduction.rst

* Update introduction.rst

* Update installation.rst

* Update installation.rst

* Update initialization.rst

* Update getdata.rst

* Update integration.rst

* Update initialization.rst

* Update getdata.rst

* Update estimator.rst

Modify some typos.

* Update README.md

Modify the typos.

* Update initialization.rst

* Update data.rst

* Update report.rst

* Update estimator.rst

* Update cumulative_return.py

* Update model.rst

* Update rank_label.py

* Update cumulative_return.py

* Update strategy.rst

* Update getdata.rst

* Update backtest.rst

* Update integration.rst

* Update getdata.rst

* Update introduction.rst

* Update introduction.rst

* Update README.md

* Update report.rst

* Update integration.rst

Fix typos

* Update installation.rst

Fix typos

* Update getdata.rst

* Update initialization.rst

Fix typos.

* add quick start docs&fix detials

* fix estimator docs & fix strategy docs

* fix the cahce in data.rst

* update documents

* Fix Corr && Rsquare

* fix data retrival example to csi300 & fix a data bug

* fix filter bug

* Fix data collector

* Modift model args

* add the log & fix README.md\quick.rst

* add enviroment depend & add intoduction of qlib-server online mode

* fix image center fomat & set log_only of docs is True

* fix README.md format

* update data preparation & readme logo image

* get_data support version

* Modify analysis names

* Modify analysis graph

* update report.rst & data.rst

* commmit estimator for merge

* minimal requirements

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update READEME.md

* Update READEME.md

* update estimator

* Fix doc urls

* fix get_data.py docstring

* update test_get_data.py

* Upate docs

* Upate docs

* Upate docs

Co-authored-by: bxdd <bxddream@gmail.com>
Co-authored-by: zhupr <zhu.pengrong@foxmail.com>
Co-authored-by: Wendi Li <wendili.academic@qq.com>
Co-authored-by: Dingsu Wang <dingsu.wang@gmail.com>
Co-authored-by: bxdd <45119470+bxdd@users.noreply.github.com>
Co-authored-by: cslwqxx <cslwqxx@users.noreply.github.com>

docs/start/installation.rst

@@ -6,33 +6,34 @@ Installation
 .. currentmodule:: qlib
 
 
-How to Install ``Qlib``
-====================
+``Qlib`` Installation
+=====================
+.. note::
 
-``Qlib`` only supports Python3, and supports up to Python3.8.
+   `Qlib` supports both `Windows` and `Linux`. It's recommended to use `Qlib` in `Linux`. ``Qlib`` supports Python3, which is up to Python3.8.
 
-Please execute the following process to install ``Qlib``:
+Please follow the steps below to install ``Qlib``:
 
-- Change the directory to ``Qlib``, in which the file ``setup.py`` exists.
-- Then, please execute the following command:
+- Enter the root directory of ``Qlib``, in which the file ``setup.py`` exists.
+- Then, please execute the following command to install the environment dependencies and install ``Qlib``:
    
    .. code-block:: bash
 
       $ pip install numpy
       $ pip install --upgrade cython
+      $ git clone https://github.com/microsoft/qlib.git && cd qlib
       $ python setup.py install
 
 
 .. note::
-   It's recommended to use anaconda/miniconda to setup environment.
-   ``Qlib`` needs lightgbm and tensorflow packages, use pip to install them.
+   It's recommended to use anaconda/miniconda to setup the environment. ``Qlib`` needs lightgbm and pytorch packages, use pip to install them.
 
 .. note::
-   Do not import qlib in the repository folder which contains ``qlib``, otherwise errors may occur.
+   Do not import qlib in the root directory of ``Qlib``, otherwise, errors may occur.
    
 
 
-Use the following code to confirm installation successful:
+Use the following code to make sure the installation successful:
 
 .. code-block:: python
 
@@ -41,3 +42,4 @@ Use the following code to confirm installation successful:
    <LATEST VERSION>
 
 
+=====================