Comments (7)
QiaoXiao7282
commented on August 28, 2024
@176coding 你好，我想问下，你说的这个视频的链接有吗？
from o2o-coupon-usage-forecast.
stepByStepToSky
commented on August 28, 2024
@176coding @Jason7282 @wepe 你好，我想问下，可以分享一下这个视频的链接有吗？
from o2o-coupon-usage-forecast.
whuhit
commented on August 28, 2024
同问啊？视频哪里有分享的？
from o2o-coupon-usage-forecast.
whuhit
commented on August 28, 2024
https://tianchi.aliyun.com/video.htm?spm=5176.100258.100258.3.1O7LLR
from o2o-coupon-usage-forecast.
qk-huang
commented on August 28, 2024
感觉利用划窗法，在划分数据集按时间划分，其中5.1节假日前后只有一段时间，要不测试集没有，要不训练集没有。像视频所说最好使用去年5月份同比。
from o2o-coupon-usage-forecast.
zhuzhujulie
commented on August 28, 2024
什么时候用滑窗法？什么时候用交叉验证法呢？
from o2o-coupon-usage-forecast.
RockyHoo1209
commented on August 28, 2024
从代码逻辑来看，extract_feature.py中的滑窗法 应该和我以前做过的不太一样 这里发表一下 不知道理解的逻辑是否有误。这题因为不是时间序列问题，所以实际构造的滑窗是前面一段较长时间分析的特征+后一个月的时间(即this_month系列特征）,而不是前面一个时间段的窗内数据做x,后一个作y这种形式。
from o2o-coupon-usage-forecast.
Related Issues (20)
- 运行season one中的xgb.py出现问题 HOT 3
- 小白一枚请教简单问题 忘回答
- /wepon/season one 中extract_feature.py问题 HOT 11
- 运行wepon/sesson one/extract_feature.py出现错误 HOT 5
- 请问融合时gbdt和xgb的权值是如何最终确定下来的呢？
- 运行wepon/sesson one/extract_feature.py出现错误 HOT 1
- coupon相关的特征是context特征，为何只利用测试集构造?
- 你好，我是一个新人，运行wepon/sesson one/extract_feature.py出现错误
- 请问关于错误ValueError: invalid literal for int() with base 10: 'nan'你说设置参数，该怎么设置呀，我也是这个问题
- 请问代码为什么下载不了呢，我想学习一下
- 关于season1的训练集
- xgboost ValueError：特征名不匹配
- Spell check
- 在运行get_day_gap_before时出现了问题 HOT 1
- season one:特征提取代码有问题 HOT 6
- 提供的百度网盘的数据集无法解压 HOT 2
- 我把你的代码跑了一遍，出现报错，我目前是菜鸟，所以想出你这里学一下！有什么好的书可以推荐的吗
- wepon/season one下的coupon feature提取问题 HOT 1
- 请教最终训练集中的缺失值怎么处理？
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.
from o2o-coupon-usage-forecast.