Add rouge 2 and rouge Lsum to rouge metric outputs
MEMBER
Oups too late, sorry
2020-10-02T09:54:37Z
https://github.com/huggingface/datasets/pull/701#issuecomment-702637005
https://api.github.com/repos/huggingface/datasets/issues/701
MDEyOklzc3VlQ29tbWVudDcwMjYzNzAwNQ==
https://api.github.com/repos/huggingface/datasets/issues/comments/702637005/reactions
2020-10-02T09:54:37Z
https://api.github.com/repos/huggingface/datasets/issues/comments/702637005
https://avatars.githubusercontent.com/u/7353373?v=4
https://api.github.com/users/thomwolf/events{/privacy}
https://api.github.com/users/thomwolf/followers
https://api.github.com/users/thomwolf/following{/other_user}
https://api.github.com/users/thomwolf/gists{/gist_id}
https://github.com/thomwolf
thomwolf
MDQ6VXNlcjczNTMzNzM=
https://api.github.com/users/thomwolf/orgs
https://api.github.com/users/thomwolf/received_events
https://api.github.com/users/thomwolf/repos
https://api.github.com/users/thomwolf/starred{/owner}{/repo}
https://api.github.com/users/thomwolf/subscriptions
User
https://api.github.com/users/thomwolf
public
Continuation of #700 

Rouge 2 and Rouge Lsum were missing in Rouge's outputs.
Rouge Lsum is also useful to evaluate Rouge L for sentences with `\n`

Fix #617 