Plotting multiple lines from a data frame in R

Question

I am building an R function to plot a few lines from a data table, I don\'t understand why this is not working?

data = read.table(path, header=TRUE);
plot(da         


        

Answer 1

Have a look at the ggplot2 package

library(ggplot2)
library(reshape)
data <- data.frame(time = seq(0, 23), noob = rnorm(24), plus = runif(24), extra = rpois(24, lambda = 1))
Molten <- melt(data, id.vars = "time")
ggplot(Molten, aes(x = time, y = value, colour = variable)) + geom_line()