SAM scores based on user engagement metrics and video duration.
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数据链接：
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资源简介：
a Excludes 1 video. –39%).b Represents raw SAM score of 0 to 15 (0 –69%).c Represents raw SAM score of 16 to 26 (40 % or greater).d Represents raw SAM score of 27 to 38 (70
创建时间：
2013-12-18
