ggplot2: Fix colors to factor levels

Question

I\'m working on a larger project for which I am creating several plots in ggplot2. The plots are concerned with plotting several different outcomes across several different

Answer 1

make sure you convert that column into Factor first and then create a variable to store the color value for each factor...

df$color <- as.factor(df$color, levels = c(1, 0))
cbPallete <- c("1"= "green", "0"="red")

ggplot(data = df) + geom_bar(x = df$x, 
                             y = df$y,
                             fill = df$color) +
scale_fill_manual(values = cbPallete)