par las

R has a very powerful drawing function, we can draw a variety of graphics with a few simple lines of code, but sometimes the default graphics settings do not meet our needs, and even encounter a variety of small problems: such as the axis or the

1.1 Column chart Setwd ("E: // program files // rstudio // Temp") # Set the working directory install. packages ("rcolorbrewer") # If the Library (rcolorbrewer) is not installed # load the package citysales 1.2 Stacked column chart

Common statistical Drawing function Summary plot () hist () straight square diagram stem () boxplot () Box line diagram (Box chart) Coplot () co-map Qqnorm () normal QQ diagram Qqplot () Two overall QQ Figure 1. Common options for advanced low-level

R language Drawing function Daquan One, Plot () function: Scatter plot ----#plot是用来画散点图的 ~ To the left is the dependent variable; Plot (cars$dist~cars$speed), #y ~x main= "Relationship between car distance & Speed", #表标题 Xlab = "Speed (miles per

Turn http://www.cnblogs.com/jiangmiaomiao/p/6991632.html0 IntroductionR supports 4 types of graphics: base graphics, grid graphics, lattice graphics, Ggplot2. Where the Base graphics is the default graphics system for R.1 Basic graphics Functions

1. Manage plotting X11 (): Open a drawing window ? Device: view the list of available drawing devices Dev. List (): Lists devices. PDF (): Open a PDF file as a drawing device Dev. cur (): displays the currently used device Dev. Set (): change the

1 barplot (Data $ V2, names. Arg = data $ V1), too many names will cause incomplete display. You can add las = 2 to make names rotate for 90 degrees display 2 names is too long and not fully displayed. Use PAR (MAR = C (A, B, C, D) to change the

Variance analysis refers to the interaction of different variables, resulting in a change in results1. Single-Factor Variance analysis:Case: 50 patients were treated with cholesterol-lowering medications, of which three were treated with the same

Python, as a high-level programming language, is not known to be popular in circles since. Individual is also a fresh picture, keep up with the pace of the times to learn a bit. "Lu Xun" said: "Can not apply knowledge, is bullying." I used Python to

Basic drawing System• Drawing function (graphics package)- plot/hist(histogram)/boxplot(Box map)/Point (points)/lines(line)/text (add text)/Title/axis(add axis)-The calling function enables a graphics device and plots on the device　　• Basic drawing