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df-scada-data-restoration's Introduction

DataFountain-海上风场SCADA数据缺失智能修复

赛题详情

提供33个风场,每个风场68个变量在一个月内的数据,部分数据被人为剔除,要求使用剩余数据对缺失数据进行修复。

我们方案在线上比赛的ab榜最终成绩都是第三;

线上成绩

可惜线下答辩比较糟糕,未能晋级,根据比赛评分规则,一切都看线下答辩评委的评分:

评分规则:线上效果分,40-70分,为避免作品效果与实际评价出入,结合线上赛成绩排名及现场答辩情况,以10分为梯度共计5档评分(每个团队有分数段重叠),第一、二名60-70分,第三、四名55-65分,第五、六名50-60分,第七、八名45-55分,第九、十名40-50分,评委可在评分范围内给分。

最终评分就这样,两个4分直接把我们队拖到门外了。

答辩得分

主办方倾向于想要一些非传统“特征-目标预测”的模型,我们的方案就中规中矩没啥特色,第一第二名的方案比较牛,多研究他们的方案比较有益。

方案总共分为4部分:

1.数据合并和剔除异常数据;

2.构造验证集和计算特征相关性;

3.规则预测和模型预测;

4.合并结果。

代码说明在运行环境说明和代码说明.md

方案说明看答辩PPT可能详细些。

我们的方案基本就是靠堆特征堆模型堆出来的,因为线上测试集和我们构造的线下验证集分布比较一致,所以只要找到一种特征组合或者一种模型在线下验证集上更好,那线上结果也好,就可以加入到融合结果中,提高一些得分,规则预测的结果也同样适用。

很多人说想要数据,我把复赛数据上传到百度云吧。

链接:https://pan.baidu.com/s/1NoaJbqBF4R1nfspveA03Cw 提取码:aekh

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