ggplot

the tidyverse is an integrated collection of r packages designed to make data science fast, fluid, and fun.

a system for declaratively creating graphics, based on "the grammar of graphics". you provide the data, tell ggplot2 how to map variables to aesthetics, what graphical primitives to use, and it takes care of the details.

data carpentry is a lesson program of the carpentries that develops and provides data skills training to researchers.

the epi r handbook is an r reference manual for applied epidemiology and public health.