3 Commits (b1327fc7f20dc1fdb950bb938458485770b0ae94)

Author	SHA1	Message	Date
qingen	6a7245657f	[vec][loss] add FocalLoss to deal with class imbalances, test=doc fix #1721	4 years ago
qingen	166757703f	[vec][loss] add NCE Loss from RNNLM, test=doc fix #1717	4 years ago
xiongxinlei	acebfad7b7	change the vector csv.spk_id to csv.label, test=doc	4 years ago