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go-ftrl's Introduction

go-ftrl

FTRL-Proximal for golang. From Google's paper: Ad Click Prediction: a View from the Trenches

Install

go get -U github.com/cyy0523xc/go-ftrl

测试数据

见：./libsvm_data.txt

格式采用libsvm算法所使用的格式，如：

1 16:1 19:1 24:1 26:1 58:1 682:1 733:1 764:1 778:1 788:1 1247:1 1251:1 1256:1 1258:1
0 16:1 19:1 24:1 45:1 262:1 682:1 733:1 764:1 778:1 788:1 1247:1 1251:1 1256:1 1258:1
0 16:1 19:1 24:1 48:1 353:1 682:1 733:1 764:1 778:1 788:1 1247:1 1251:1 1256:1 1258:1
0 16:1 19:1 24:1 43:1 224:1 682:1 733:1 764:1 778:1 788:1 1247:1 1251:1 1256:1 1258:1

说明:

  • 其中第一列的0,1是值，例如广告点击则为1, 不点击则为0。
  • 后面的index:feature_val, 冒号前面的为特征序号，后面的则为特征值
  • 特征之间有且只有一个空格

训练与测试部分

预测部分

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