Merge pull request #551 from cmu-delphi/ds/vignettes2

fix: remove svg setting

Author: dshemetov

README.md

@@ -154,4 +154,4 @@ edf %>%
   autoplot(smoothed_cases_daily)
 ```
 
-<img src="man/figures/README-unnamed-chunk-7-1.svg" width="90%" style="display: block; margin: auto;" />
+<img src="man/figures/README-unnamed-chunk-7-1.png" width="90%" style="display: block; margin: auto;" />

man/figures/README-unnamed-chunk-7-1.png

@@ -3,7 +3,6 @@ knitr::opts_chunk$set(
   comment = "#>",
   collapse = TRUE,
   cache = TRUE,
-  dev = "svg",
   dev.args = list(bg = "transparent"),
   dpi = 300,
   cache.lazy = FALSE,

vignettes/_common.R

@@ -107,7 +107,7 @@ edf %>%
 Detect outliers in daily reported cases for each geo_value. For a more in-depth
 guide to outlier detection, see `vignette("outliers")`.
 
-```{r}
+```{r message=FALSE}
 edf %>%
   group_by(geo_value) %>%
   mutate(outlier_info = detect_outlr(x = time_value, y = cases_daily)) %>%