## ---- echo = FALSE, message = FALSE--------------------------------------
knitr::opts_chunk$set(
  comment = "#>",
  error = FALSE,
  tidy = FALSE,
  fig.width = 5, 
  fig.height = 5,
  fig.align = "center"
)

## ----eval=FALSE----------------------------------------------------------
#  install.packages("gridsampler")

## ----eval=FALSE----------------------------------------------------------
#  library(devtools)
#  install_github("gridsampler/markheckmann")

## ----eval=FALSE----------------------------------------------------------
#  library(gridsampler)
#  gridsampler()