qqplot scatterplot superscript quantile normally object distributed numbers subscript distribution functions ggplot2 statisticsglobe input graph
scatter color ggplot2 point fill ggplot plot geom regression smooth confidence band multiple lm lines change plots data groups shape
plots ggplot2 code graph output
area plot ggplot2 stacked ggplot geom making using stack
data time ggplot2 plotting different visualizing combining conditions