PinnedSonghao WuinTowards Data ScienceHow to choose between different Boosting AlgorithmsAdaBoost, Gradient Boosting, XGBoost, Light Gbm, CatBoost·7 min read·Jun 2, 2021----
Songhao WuinTowards AIBuild Your First Recommendation EngineWhat are the different types of recommendation algorithms?·6 min read·May 7, 2022----
Songhao WuinTowards AIStep by Step Guide on Web Scraping Using Scrapy In PythonHow to retrieve second-hand cars information in Singapore·9 min read·May 2, 2022----
Songhao WuinTowards Data ScienceStationarity Assumption in Time Series DataIs stationarity assumption important and what do we do about it?·6 min read·Jul 4, 2021----
Songhao WuinTowards Data ScienceTime Series Forecast in PythonEnd to End Time Series Forecast using ARIMA model·10 min read·Jul 3, 2021----
Songhao WuinCodeXWhat is the difference between Test and Validation sets?How should we split data when we have limited data·4 min read·Jun 12, 2021----
Songhao WuinTowards Data ScienceHyper-Parameter Tuning in PythonGrid Search vs Random Search·6 min read·Jun 10, 2021----
Songhao WuinTowards Data ScienceWhat is Ensemble LearningSimple Ensemble methods, Bagging, Bootstrap, Boosting·5 min read·May 16, 2021----
Songhao WuinTowards Data ScienceSentiment Analysis using ClassificationHow to calculate sentiment score based on historical data·4 min read·May 13, 2021----