There are 1 repository under ggextra topic.
The data2gRaph project is a web-based data visualization tool that can also be used off-line.
This repository houses an interactive flex dashboard on outlier analysis. It accompanies a presentation on the same topic.
This repository you are browsing contains intermediate level piece of codes which are useful for cleaning, exploratory analysis, handling of missing data points, outlier detection and different visualization techniques using graphics, ggplot2, tidycharts, ggExtra packages. Also in particular part of the script you can get basic information about SparkR package which is an R package that provides a light-weight frontend to use Apache Spark from R . Do not be shy to fork and make contribute.