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21 changes: 12 additions & 9 deletions docs/component/data.rst
Original file line number Diff line number Diff line change
Expand Up @@ -140,10 +140,11 @@ Users can also provide their own data in CSV format. However, the CSV data **mus

where the data are in the following format:

.. code-block::

symbol,close
SH600000,120
+-----------+-------+
| symbol | close |
+===========+=======+
| SH600000 | 120 |
+-----------+-------+

- CSV file **must** includes a column for the date, and when dumping the data, user must specify the date column name. Here is an example:

Expand All @@ -153,11 +154,13 @@ Users can also provide their own data in CSV format. However, the CSV data **mus

where the data are in the following format:

.. code-block::

symbol,date,close,open,volume
SH600000,2020-11-01,120,121,12300000
SH600000,2020-11-02,123,120,12300000
+---------+------------+-------+------+----------+
| symbol | date | close | open | volume |
+=========+============+=======+======+==========+
| SH600000| 2020-11-01 | 120 | 121 | 12300000 |
+---------+------------+-------+------+----------+
| SH600000| 2020-11-02 | 123 | 120 | 12300000 |
+---------+------------+-------+------+----------+


Supposed that users prepare their CSV format data in the directory ``~/.qlib/csv_data/my_data``, they can run the following command to start the conversion.
Expand Down