Yong RheeBootstrap 기우리가 모집단에 대한 분포를 모르고(모집단이 정규분포인지 모르거나), 이에 더해서 샘플 사이즈가 너무 작아서 CLT를 적용할 수 없다면, 부트스트랩을 사용해서 분포를 근사하게 추정해볼 수 있다.4 min read·Jul 24, 2022----
Yong RheeLDA(latent Dirichlet association) for non-statisticians.It is hard to understand from the beginning. I found a good source to study and here I retranslate into a further easier version of the…3 min read·Mar 7, 2021----
Yong RheeManaging Data Science SnippetsThis is a learning experience from my internal data snippet project.2 min read·Dec 9, 2020----
Yong RheeMLOps for Data Science beginnersIt is not easy for Data Scientist to understand the concept of Ops at first. I was too. I even haven’t heard of DevOps when I first…3 min read·Dec 5, 2020----
Yong RheeSpatio-Temporal Analysis — RidershipThis article is a short review of the paper “Spatio-temporal analysis of rail station ridership determinants in the built environment…2 min read·Sep 30, 2020----
Yong RheeInterview questions that I couldn’t answer(Part2)This time, interview was a data scientist position from mobility platform who should build a spatial-temporal regression model combined…3 min read·Aug 30, 2020----
Yong RheeInterview questions that I couldn’t answer (Part1)An interview is another way of progress. As soon as I thought I was the right person to that company, they tackled the problem that I am…3 min read·Aug 14, 2020----
Yong RheeAWS DeepAR algorithmIt is interesting algorithm that it is a deep learning algorithm incorporating likelihood function.3 min read·May 9, 2020----
Yong RheeAWS file saving API playbookWhatever produced in AWS goes in S3(Simple Storage Service).2 min read·Mar 31, 2020----
Yong RheeAWS Rekognition custom labels + AugmentationAWS new AI service Rekognition Custom Labels is quite amazing. There are GCP AutoML Vsion, Azure Custom Vision services for public cloud…4 min read·Mar 29, 2020----