Kaggle is a crowd-sourced platform for data scientists. It provides a platform for users to find and publish high-quality datasets, explore and build models in a web-based data-science environment, and work with other data scientists and machine learning engineers. This instructor-led, live trai...
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Data augmentation 1st place solution表示添加test数据里的label能提升0.002 3rd solution把game_session也打了标签,并用于预训练中 Loss 由于qwk不适合直接做objective,因此也提出了各种loss 1st place solution只使用了rmse 和 weighted rmse 3rd solution参考了My thoughts about the accuracygroup classes这篇discussion...
分类Classifying: classify or categorize our samples and may also want to understand the implications or correlation of different classes with our solution goal. 关联Correlating: Correlating certain features may help in creating, completing, or correcting features. ...
AFTER INCREASING OUR COURSE OFFERings in data science and machine learning at the United States Military Academy at West Point, we have been investigating innovative ways to motivate our students to engage with this challenging material and explore data outside the classroom. In addition, with the ...
# Convert the Embarked classes to integer form train["Embarked"][train["Embarked"] == 'S'] = 0 train["Embarked"][train["Embarked"] == 'C'] = 1 train["Embarked"][train["Embarked"] == 'Q'] = 2 为了使得决策树模型能够正常的,高效的工作,一定要对数据进行清洗: ...
Meet the Kaggle Grandmasters of NVIDIA team and learn how they use NVIDIA accelerated data science to create top-performing models.
The goal of this dataset is to predict whether or not a house price is expensive. The dataset has three different classes (Expensive, Normal, and Cheap). You can see examples of features like: Number of bedrooms Number of bathrooms
It adds significant power to the interactive Python session by providing the user with high-level commands and classes for manipulating and visualizing data. effect-size Explore statistics that quantify effect size by analyzing the difference in height between men and women. Uses data from the ...