###面试准备###
- SQL
- Machine Learning算法
- NLP算法
- Coding
- 简历知识点
###Springleaf
######Categorical features
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High cardinality features(leave-one-out encoding)
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parameter tuning(XGBoost)
- learning rates vs. number of rounds
- max depth vs min child weight (Tree-based parameters)
- Boosting parameters(row sample, column sample)
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High correlated features
- removed for linear models
- tree-based models(leave out for the models)
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What is the difference between categorical, ordinal and interval variables?
###Job Interview