# if you want the same order as in the df df$Day <- as.character(df$Day) df$Day <- factor(df$Day, levels=unique(df$Day)) # if you want a different order df$Day <- factor(df$Day, levels=c("C", "A", "B"))
# if you want the same order as in the df df$Day <- as.character(df$Day) df$Day <- factor(df$Day, levels=unique(df$Day)) # if you want a different order df$Day <- factor(df$Day, levels=c("C", "A", "B"))