Scale_size_manual

scale_fill_manual(values)
scale_fill_discrete
scale_size_manual error: continuous value supplied to discrete scale
scale_size_manual not working
scale_size_discretescale_fill_discrete ggplot2
scale_size_manual continuous
scale_fill_manual legend

The functions scale_colour_manual() , scale_fill_manual() , scale_size_manual() , etc. work on the aesthetics specified in the scale name: colour class plotnine.scales.scale_size_manual(values, **kwargs)[source]¶. Custom discrete size scale. Parameters. valuesarray_like | dict.I think you need to add size as an aethetic. Try aes(x=rates, y=sizes, group=names, size=names) and you'll see scale_size_manual() kick in. size=factor(cyl)) # To control the size mapping for discrete variable, use # scale_size_manual: last_plot() + scale_size_manual(values=c(2,4,6)).