install.packages(c('ggplot2','data.table')
library(ggplot2) # plotting
library(data.table) #fread
install.packages('tidyverse')
library(tidyverse) #includes ggplot2, dplyr, tidy, + more



Grammar of ggplot

Geoms

Geometric objects (geoms)

Reference: http://ggplot2.tidyverse.org/reference/

Aesthetics

ggplot()+geom_point(data, aes(x, y))

Dataset

Burritos in southern California https://srcole.github.io/100burritos/