How to plot with ggplot2 in R
data_1 = read.table(data_1)
data_2 = read.table(data_2)
ggplot() +
geom_density(aes(x=data_1[,1], color= "Data 1"), size=1) +
geom_density(aes(x=data_2[,1], color="Data 2"), size=1) +
scale_color_manual("",
breaks = c("Data 1", "Data 2"),
values = c("Data 1" = "black", "Data 2" = "blue"))