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blogs

Linea model selection for covariates [2019-12-17]

Recently I was involved in a study that I collaborate with people from the program of international nutrition who have designated specialty on epidemiology and public health. Epidemiologists often attempt to answer questions ...

JDK dependency for rJava in MacOS [2019-07-07]

rJava is an interface that allows users/developers to use Java from R. And there are a few R packages depends on it. However getting it to work seems to be a well-known pain ...

Modularize your shiny app using shiny module and R6 class [2019-03-25]

Shiny is an R package developed by the RStudio company that provides a solution for quickly web application development mostly for data science/analysis purpose ...

zeallot, multiple assignment in R [2019-03-23]

On of many things that I really enjoy when writing python is its multiple assignment functionality. Let's say that we want to assign two variables x and y, the typical way is ...

match.call, a double pitfall in R [2019-03-22]

Sometimes you write a function A in which you call another function B, but you don't want to specify each single arguments defined by function B. So a solution is to use ... after the last argument in A, using match.call() ...