r - How to change size of points of legend when 2 legends are present -


i have graph 2 legends present. need change size of points of 1 of legends.

enter image description here

i need change bullet size of "market type" in legend. use example here not work graph.

my code below:

k <- ggplot(subsetdf) + theme_bw() +   geom_point(      aes(y=y, x=x, size =total.unit.count, fill = region), shape=21)+    scale_colour_hue(aes(y=y, x=x),l=50) + # use darker palette normal    geom_text_repel (aes(y=y, x=x, label = rownames(subsetdf))) +   geom_smooth(aes(x=x, y=y),method=lm,   # add linear regression lines   se=false)  +   labs(y = "title", x = "title",        title = "title",        size = "size", fill = "fill")+   theme(plot.title = element_text (face = 'bold',size = 21,hjust = 0.5),         legend.text = element_text(size = 16),         legend.title = element_text(size = 18),         axis.title.x = element_text(size=20),         axis.title.y = element_text(size=20),         axis.text.x = element_text(size = 18,angle=45, hjust=1),         axis.text.y = element_text(size = 18,hjust = 1),         panel.grid.major = element_blank(),         panel.grid.minor = element_blank())+         scale_size_continuous(range = c(3,8))+   guides(colour = guide_legend(override.aes = list(size=10)))

you used fill aesthetic guide, not color. guide override.

below example iris dataset, code not reproducible.

library(ggplot2)  ggplot(iris) +     geom_point(aes(sepal.length, petal.length, size = sepal.width, fill = species), shape = 21) +     guides(fill = guide_legend(override.aes = list(size=8)))


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