RetroC temporal classification challenge for Vietnamese

Guess the publication year of a Vietnamese text. The metric is root mean square error. [ver. 1.0.0]

Git repo URL: git://gonito.net/retroc-vi / Branch: master
Run git clone --single-branch git://gonito.net/retroc-vi -b master to get the challenge data
Browse at https://gonito.net/gitlist/retroc-vi.git/master

Leaderboard

#	submitter	when	ver.	description	test-A RMSE	×
1	p/tlen	2016-03-13 09:04	1.0.0	Vowpal Wabbit -nn 6 on up to 4-grams (for characters)	7.231304342176452	3
2	kubapok	2020-01-09 17:28	1.0.0	tfidf lr linear-regression tf-idf	68.53470916704357	1