added scratch_plots/ggpairs_test.R to play with ggally for future

scripts/plotting/scratch_plots/ggpairs_test.R

@@ -0,0 +1,65 @@
+library(GGally)
+
+# with outcome
+ggpairs(my_corr_ps[1:(length(my_corr_ps)-1)]
+        , upper = list(continuous = wrap('cor', method = "spearman"))
+        , aes(colour = factor(my_corr_ps$duet_outcome), alpha = 0.4)
+        , title="correlogram with ggpairs()") 
+
+corr_data_plot_ps = my_corr_ps[1:(length(my_corr_ps)-1)]
+
+my_fn <- function(data, mapping, ...){
+  p <- ggplot(data = data, mapping = mapping) + 
+    stat_density2d(aes(fill=..density..), geom="tile", contour = FALSE) +
+    #scale_fill_gradientn(colours=rainbow(100))
+  p
+}
+
+ggpairs(corr_data_plot_ps
+        , lower=list(continuous=my_fn)
+        , upper = list(continuous = wrap('cor', method = "spearman"))
+        #, diag=list(continuous=wrap("barDiag", binwidth=100))
+        #, upper=list(continuous=wrap('cor', method = "spearman"), sz=10, stars=FALSE))
+)
+
+panel.hist <- function(x, ...)
+{
+  usr <- par("usr"); on.exit(par(usr))
+  par(usr = c(usr[1:2], 0, 1.5) )
+  h <- hist(x, plot = FALSE)
+  breaks <- h$breaks; nB <- length(breaks)
+  y <- h$counts; y <- y/max(y)
+  rect(breaks[-nB], 0, breaks[-1], y, col = "cyan", ...)
+}
+
+pairs(my_corr_ps[1:(length(my_corr_ps)-1)]
+      , method = "spearman"
+      , diag.panel = panel.hist
+      , lower.panel = NULL)
+
+      
+  
+
+#=============
+source("my_pairs.panel.R")
+my_pp(my_corr_ps[1:(length(my_corr_ps)-1)]
+             , method = "spearman" # correlation method
+             , hist.col = "grey" ##00AFBB
+             , density = TRUE  # show density plots
+             , ellipses = F # show correlation ellipses
+             , stars = T
+             , rug = F
+             , breaks = "Sturges"
+             , show.points = T
+             , bg = c("#f8766d", "#00bfc4")[unclass(factor(my_corr_ps$duet_outcome))]
+             , pch = 21
+             , jitter = T
+             #, alpha = .05
+             #, points(pch = 19, col = c("#f8766d", "#00bfc4"))
+             , cex = 3
+             , cex.axis = 2.5
+             , cex.labels = 2.1
+             , cex.cor = 1
+             , smooth = F
+             
+)