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📚 Documentation

Hi. In the notebook for analysis of ASSISTment 2009, it is mentioned that order_id column is non-chronological, which is in contradiction to the original website of ASSISTment.

(Source: https://sites.google.com/site/assistmentsdata/how-to-interpret)

Since I see no explicit timestamp column for 2009 dataset, nor have I found any paper explicitly stating it, can you confirm whether the order_id column can be treated as chronological ordering of the time series for each individual user? This ordering matters while creating the time series for actions taken by each user (I did not find code for tripple line formatting of this dataset version anywhere as to confirm whether order_id is in fact correct).

🐛 Description

edudata download assistment-2009-2010-skill 报错，以及后续许多数据集下载时候404错误，无法访问。
请问链接：http://base.ustc.edu.cn/data/cdbd/ 是必须学校的网才能访问么？校外404报错。

Error Message

Traceback (most recent call last):
File "e:\anaconda\envs\pytorch\lib\runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "e:\anaconda\envs\pytorch\lib\runpy.py", line 85, in run_code
exec(code, run_globals)
File "E:\Anaconda\envs\pytorch\Scripts\edudata.exe_main.py", line 7, in
File "e:\anaconda\envs\pytorch\lib\site-packages\EduData\main.py", line 47, in cli
"sim": similarity_graph,
File "e:\anaconda\envs\pytorch\lib\site-packages\fire\core.py", line 138, in Fire
component_trace = _Fire(component, args, parsed_flag_args, context, name)
File "e:\anaconda\envs\pytorch\lib\site-packages\fire\core.py", line 468, in _Fire
target=component.name)
File "e:\anaconda\envs\pytorch\lib\site-packages\fire\core.py", line 672, in _CallAndUpdateTrace
component = fn(*varargs, **kwargs)
File "e:\anaconda\envs\pytorch\lib\site-packages\EduData\DataSet\download_data\download_data.py", line 224, in get_data
return download_data(url, data_dir, override)
File "e:\anaconda\envs\pytorch\lib\site-packages\EduData\DataSet\download_data\download_data.py", line 187, in download_data
download_file(url, save_path, override)
File "e:\anaconda\envs\pytorch\lib\site-packages\EduData\DataSet\download_data\download_data.py", line 158, in download_file
decompress(save_path)
File "e:\anaconda\envs\pytorch\lib\site-packages\EduData\DataSet\download_data\utils.py", line 14, in decompress
un_zip(file)
File "e:\anaconda\envs\pytorch\lib\site-packages\EduData\DataSet\download_data\utils.py", line 29, in un_zip
zip_file = zipfile.ZipFile(file)
File "e:\anaconda\envs\pytorch\lib\zipfile.py", line 1258, in init
self._RealGetContents()
File "e:\anaconda\envs\pytorch\lib\zipfile.py", line 1325, in _RealGetContents
raise BadZipFile("File is not a zip file")
zipfile.BadZipFile: File is not a zip file

**Operating System: win10

Python Version: (anaconda/python3.7)