Ordering the axis labels in geom_tile

Question

I have a data frame containing order data for each of 20+ products from each of 20+ countries. I have put it in a highlight table using ggplot2 with code simila

Answer 1

maybe this StackOverflow question can help:

Order data inside a geom_tile

specifically the first answer by Brandon Bertelsen:

"Note it's not an ordered factor, it's a factor in the right order"

It helped me to get the right order of the y-axis in a ggplot2 geom_tile plot.