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fasttext支持只有正例样本的训练分类 #30
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原理上你只能根据预测结果的打分来控制,比如超过0.9分才算正确
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发件人: Gavin <[email protected]>
发送时间: 2020年9月14日 12:02
收件人: mayabot/mynlp <[email protected]>
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主题: 回复:[mayabot/mynlp] fasttext支持只有正例样本的训练分类 (#30)
fasttext训练时需要指定至少两个分类标签,假如我只有正例,新来的样本判断是不是该分类 能不能支持 我试了一下 发现无论输入什么 单样本的训练出来的模型 预测都是100%
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我使用只有一个label的进行训练,然后接着无论输入什么进行预测,打分都是1,也就是100%,是样本问题吗,稍后我用酒店评论那个只留下积极的试试 |
那我的理解就是错误的,可能fasttext不满足需求。 |
fasttext训练时需要指定至少两个分类标签,假如我只有正例,新来的样本判断是不是该分类 能不能支持 我试了一下 发现无论输入什么 单样本的训练出来的模型 预测都是100%
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