update default ggplottiing

settings.r

@@ -1,4 +1,28 @@
 
+# code from https://www.r-causal.org/
+
+options(
+  # set default colors in ggplot2 to colorblind-friendly
+  # Okabe-Ito and Viridis palettes
+  ggplot2.discrete.colour = ggokabeito::palette_okabe_ito(),
+  ggplot2.discrete.fill = ggokabeito::palette_okabe_ito(),
+  ggplot2.continuous.colour = "viridis",
+  ggplot2.continuous.fill = "viridis",
+  # set theme font and size
+  book.base_family = "sans",
+  book.base_size = 14
+)
+
 library(ggplot2)
 
-theme_set(theme_minimal(base_size = 15))
+# set default theme
+theme_set(
+  theme_minimal(
+    base_size = getOption("book.base_size"),
+    base_family = getOption("book.base_family")
+  ) %+replace%
+    theme(
+      panel.grid.minor = element_blank(),
+      legend.position = "bottom"
+    )
+)