In your plot statement you have a x and y component (re_date, date_sub$Sub_metering_1). When you call lines you only provide y. R does not know that you ... ... <看更多>

scatterplots; line plots; bar plots; box-and-whisker plots; histograms. the basics of how to change plot features like: the text displayed on axes labels ... ... <看更多>

Let's create some data. n <- 100 x <- seq(n) y <- rnorm(n, 50 + 30 * x^(-0.2), 1) Data <- data.frame(x, y). The following shows how you can ... ... <看更多>