GitHub - YouChouNoBB/2018-tencent-ad-competition-baseline: 2018腾讯广告算法大赛b...
source link: https://github.com/YouChouNoBB/2018-tencent-ad-competition-baseline
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readme.md
项目介绍
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2018腾讯广告大赛baseline 100行代码带你上0.73
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baseline 在内存大于32g的情况下使用，挑整参数，可以上0.74
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1.首先处理4个G的用户特征
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2.拼接用户特征，广告特征
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3.将单取值的离散特征使用稀疏方式one-hot
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4.将多取值的离散特征使用稀疏方式向量化
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5.线下测试
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6.线上提交
- baseline_v2 16g左右内存使用，建议开启虚拟内存
- 将训练集分片，分别训练预测，然后将预测结果求平均，大概需要15g内存
- baseline_v3 只要能读进去数据，join完应该就能跑了
- 每次训练重新读取的数据，这样应该8g内存就能跑了
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