Add ICD model in branch 2.0

[ViviHong200709]

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Description

Add ICD.
Incremental Cognitive Diagnosis, a framework that tailor cognitive diagnosis into the online scenario of intelligent education. In this repository we provide the several implementations for most of CDMs.

What does this implement/fix? Explain your changes.

...

Pull request type

• [DATASET] Add a new dataset
• [BUGFIX] Bugfix
• [FEATURE] New feature (non-breaking change which adds functionality)
• [BREAKING] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [STYLE] Code style update (formatting, renaming)
• [REFACTOR] Refactoring (no functional changes, no api changes)
• [BUILD] Build related changes
• [DOC] Documentation content changes
• [Sync] Synchronization with a repository
• [OTHER] Other (please describe):

Changes

Add ICD

Does this close any currently open issues?

no

Any relevant logs, error output, etc?

no

Checklist

Before you submit a pull request, please make sure you have to following:

Essentials

• PR's title starts with a category (e.g. [BUGFIX], [FEATURE], [BREAKING], [DOC], etc)
• Changes are complete (i.e. I finished coding on this PR)
• All changes have test coverage and al tests passing
• Code is well-documented (extended the README / documentation, if necessary)
• If this PR is your first one, add your name and github account to AUTHORS.md

Comments

• If this change is a backward incompatible change, why must this change be made.
• Interesting edge cases to note here

[codecov-commenter]

Codecov Report

Attention: 183 lines in your changes are missing coverage. Please review.

Comparison is base (49c686f) 88.72% compared to head (610afb6) 80.49%.

Files	Patch %	Lines
EduCDM/ICD/sym/fit_eval.py	29.77%	92 Missing ⚠️
EduCDM/ICD/sym/net/net.py	61.01%	46 Missing ⚠️
EduCDM/ICD/metrics/metrics.py	78.82%	18 Missing ⚠️
EduCDM/ICD/etl/utils.py	33.33%	10 Missing ⚠️
EduCDM/ICD/etl/etl.py	94.26%	7 Missing ⚠️
EduCDM/ICD/sym/net/ncd.py	75.00%	7 Missing ⚠️
EduCDM/ICD/sym/pos_linear.py	71.42%	2 Missing ⚠️
EduCDM/ICD/ICD.py	98.80%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##              2.0      #52      +/-   ##
==========================================
- Coverage   88.72%   80.49%   -8.23%     
==========================================
  Files          13       27      +14     
  Lines         745     1369     +624     
==========================================
+ Hits          661     1102     +441     
- Misses         84      267     +183     

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