```{r, settings-knitr, include=FALSE}
library(ggplot2)
knitr::opts_chunk$set(echo = TRUE, message = FALSE, cache = TRUE,
                      comment = NA,
                      dev = "png", dpi = 150, fig.asp = 0.618, fig.width = 7, out.width = "85%", fig.align = "center")
options(rmarkdown.html_vignette.check_title = FALSE)
theme_set(theme_bw())
```
