Joomi Kim

WineDrinkers. Recommending wines with matrix factorization and segmenting wine drinkers with k-means clustering.

LDA. Workflow for latent Dirichlet allocation topic modeling

RobberiesTimeSeries. Forecasting monthly armed robberies in Boston with an ARIMA model.

ChangePointAnalysis. Estimating when an event occurred and uncertainty with MCMC

Housing. Predicting housing prices from categorical and numerical data with gradient boosted regression trees.

SentimentAnalysis. Sentiment analysis of political tweets

JoomiK.github.io. Blog

GeneExpression. Statistical analysis of gene expression data with multiple comparison tests in R.

ABTesting. Comparing test scores between groups and estimating uncertainty in differences with Bayesian methods.