GGally::ggpairs plot without gridlines when plotting correlation coefficient

Question

GGally::ggpairs plots nice graphs like following one. Only thing I seek to refine it even more is to remove all gridlines in upper part of plot, where is correl

Answer 1

Check out this related question and my forked repo. Use assignInNamespace to modify ggally_cor function as shown in the aforementioned question.

The only thing that needs to be done is modifying theme call:

  theme(legend.position = "none", 
        panel.grid.major = element_blank(), 
        axis.ticks = element_blank(), 
        panel.border = element_rect(linetype = "dashed", colour = "black", fill = NA))