(v3.0.1.9059) Fix WISCA in vignette

man/ggplot_pca.Rd

@@ -17,13 +17,30 @@ As per their GPL-2 licence that demands documentation of code changes, the chang
 }
 }
 \usage{
-ggplot_pca(x, choices = 1:2, scale = 1, pc.biplot = TRUE,
-  labels = NULL, labels_textsize = 3, labels_text_placement = 1.5,
-  groups = NULL, ellipse = TRUE, ellipse_prob = 0.68,
-  ellipse_size = 0.5, ellipse_alpha = 0.5, points_size = 2,
-  points_alpha = 0.25, arrows = TRUE, arrows_colour = "darkblue",
-  arrows_size = 0.5, arrows_textsize = 3, arrows_textangled = TRUE,
-  arrows_alpha = 0.75, base_textsize = 10, ...)
+ggplot_pca(
+  x,
+  choices = 1:2,
+  scale = 1,
+  pc.biplot = TRUE,
+  labels = NULL,
+  labels_textsize = 3,
+  labels_text_placement = 1.5,
+  groups = NULL,
+  ellipse = TRUE,
+  ellipse_prob = 0.68,
+  ellipse_size = 0.5,
+  ellipse_alpha = 0.5,
+  points_size = 2,
+  points_alpha = 0.25,
+  arrows = TRUE,
+  arrows_colour = "darkblue",
+  arrows_size = 0.5,
+  arrows_textsize = 3,
+  arrows_textangled = TRUE,
+  arrows_alpha = 0.75,
+  base_textsize = 10,
+  ...
+)
 }
 \arguments{
 \item{x}{An object returned by \code{\link[=pca]{pca()}}, \code{\link[=prcomp]{prcomp()}} or \code{\link[=princomp]{princomp()}}.}
@@ -42,9 +59,8 @@ ggplot_pca(x, choices = 1:2, scale = 1, pc.biplot = TRUE,
   }
 
 \item{pc.biplot}{
-    If true, use what {\if{html}{\cite{}\out{<a href="#reference+biplot.princomp.Rd+R+3AGabriel+3A1971" class="citation">}}Gabriel (1971)\if{html}{\out{</a>}}} refers to as a
-    \dQuote{principal component biplot},
-    with \code{lambda = 1} and observations scaled up by sqrt(n) and
+    If true, use what Gabriel (1971) refers to as a "principal component
+    biplot", with \code{lambda = 1} and observations scaled up by sqrt(n) and
     variables scaled down by sqrt(n).  Then inner products between
     variables approximate covariances and distances between observations
     approximate Mahalanobis distance.