r docs passes front-matter check

Joseph Damiba · Joseph Damiba · commit e9fec780620c · 2019-12-18T11:44:28.000-05:00
diff --git a/r/2015-07-30-LaTeX.Rmd b/r/2015-07-30-LaTeX.Rmd
@@ -8,7 +8,7 @@ order: 12
 output:
   html_document:
     keep_md: true
-page_type: example_index
+page_type: u-guide
 permalink: r/LaTeX/
 thumbnail: thumbnail/latex.jpg
 ---
diff --git a/r/2015-07-30-setting-graph-size.Rmd b/r/2015-07-30-setting-graph-size.Rmd
@@ -10,6 +10,7 @@ output:
     keep_md: true
 page_type: u-guide
 permalink: r/setting-graph-size/
+thumbnail: thumbnail/sizing.jpg
 ---
 
 ```{r, echo = FALSE, message=FALSE}
diff --git a/r/2015-07-30-text-and-annotations.Rmd b/r/2015-07-30-text-and-annotations.Rmd
@@ -8,7 +8,7 @@ order: 10
 output:
   html_document:
     keep_md: true
-page_type: example_index
+page_type: u-guide
 permalink: r/text-and-annotations/
 thumbnail: thumbnail/text-and-annotations.jpg
 ---
diff --git a/r/2015-11-19-shapes.Rmd b/r/2015-11-19-shapes.Rmd
@@ -9,7 +9,7 @@ order: 13
 output:
   html_document:
     keep_md: true
-page_type: example_index
+page_type: u-guide
 permalink: r/shapes/
 thumbnail: thumbnail/shape.jpg
 ---
diff --git a/r/2017-08-31-colorscales.Rmd b/r/2017-08-31-colorscales.Rmd
@@ -10,6 +10,7 @@ output:
     keep_md: true
 page_type: u-guide
 permalink: r/colorscales/
+thumbnail: thumbnail/colorbars.jpg
 ---
 
 ```{r, echo = FALSE, message=FALSE}
diff --git a/r/2019-03-08-tick-formatting.Rmd b/r/2019-03-08-tick-formatting.Rmd
@@ -10,6 +10,7 @@ output:
     keep_md: true
 page_type: u-guide
 permalink: r/tick-formatting/
+thumbnail: thumbnail/hover.jpg
 ---
 
 ```{r, echo = FALSE, message=FALSE}
