* [Model] add model example CARE-GNN
* update README
* improvements based on the review feedback
* fix missing item()
Co-authored-by: zhjwy9343 <6593865@qq.com>
* fix breakline in fakenews.py
* fix inconsistent argument name
* modify incorrect example and deprecated graph type
* modify docstring and example in knn_graph
* fix incorrect node type
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
* [BugFix] fix problems in data split
* fix format problems in docstring
* modify statistics to fit in dgl nature
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
Co-authored-by: zhjwy9343 <6593865@qq.com>
* [Feature] add positive negative statistics
* [Feature] add permission information and fix import problem
* fix backend incompatible problem
* modify random split to remove sklearn usage
* modify file read to remove pandas usage
* add datasets into doc
* add random seed in data splitting
* add dataset unit test
* usage permission information update
Co-authored-by: zhjwy9343 <6593865@qq.com>