Hacer que cuando haya un eje que sólo tenga un elemento ordene el otro.

R/ggheatmap.R

@@ -16,7 +16,21 @@ ggheatmap<-function(df, x=NULL, y=NULL, value=NULL, grouping="mean", exclude_gro
   if (grouping == "median"){
     df<-df %>% summarise(Value=median(Value)) %>% ungroup
   }
+
+  if (length(unique(df$VarX)) > 1 & length(unique(df$VarY)) > 1){
     order<-clustsort(df %>% spread(VarY,Value) %>% select(!all_of(exclude_group)) %>% as.data.frame)
+  }else{
+    order<-list()
+    if (length(unique(df$VarX)) > 1){
+      xhclust<-clustsort(df %>% spread(VarY,Value) %>% select(!all_of(exclude_group)) %>% as.data.frame)
+      order[["x"]]<-pull(xhclust, 1)[hclust(dist(xhclust %>% select(-1)))$order]
+    }else{order[["x"]]<-df %>% pull(VarX) %>% unique}
+    if (length(unique(df$VarY)) > 1){
+      yhclust<-clustsort(df %>% spread(VarY,Value) %>% select(!all_of(exclude_group)) %>% as.data.frame)
+      order[["y"]]<-colnames(yhclust)[2:ncol(yhclust)][hclust(dist(t(yhclust %>% select(-1))))$order]
+    }else{order[["y"]]<-df %>% pull(VarY) %>% unique}
+  }
+
 
   if (scale != "none"){
     if (scale == "rows"){