Simple distribution plot in R

July 2, 2012
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(This article was first published on Digital Hardcore » rbloggers, and kindly contributed to R-bloggers)

plot distribution of a sample

Plot the distribution of a sample as bars and add a histogram line for visualizing the sample characteristics.

  1. ##' Plot distribution of a sample with bars, lines and rug.
  2. ##' @title
  3. ##' @param x
  4. ##' @return
  5. ##' @author Dimtiris Kavroudakis, [email protected], www.dimitrisk.gr
  6. plotDistribution = function (x) {
  7. N = length(x)
  8. hist( x,col = "light blue",
  9. probability = TRUE)
  10. lines(density(x), col = "red", lwd = 3)
  11. rug(x)
  12. }
  13.  
  14. x = c(3,4,4,4,7,5,5,5,6,8,4,2)
  15. plotDistribution(x)

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