ggplot2 - R - order of legend ggplot -

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i have following data frame:

author<-c("university","office", "school","university","office", "school","university","office", "school") typ<-c("text", "text", "text","data", "data","data",  "list", "list", "list") number<-c("3","1","6","4","4","2","8","1","1") df<-data.frame(typ,author,number)

if apply:

ggplot(df, aes(x=author, y=number, fill=typ)) +   geom_bar(stat='identity') + coord_flip()

then stacked bar plot bars orders in order of date frame, i.e. text, data, list, legend in alphabethic order. there (non brute force, ie. hand) option such can rearrange legend in "given" order of df, i.e. in text, data, list?

(just clarify - have bunch of data frames bigger in sense vectors "typ" (which different in each data frame) have more entries order should not changed , displayed in legend. wrote routine plots these data frames cannot change legends manually - looking routine friendly solution)

you automatically set levels according order how appear in data.frame:

df$typ <- factor(df$typ, levels = unique(df$typ)) ggplot(df, aes(x=author, y=number, fill=typ)) +         geom_bar(stat='identity') + coord_flip()

in way change order of factor according order in df$typ:

enter image description here


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