By Kunio Takezawa
As a result of its flexibility and availability, R has turn into the computing software program of selection for statistical computing and producing pictures throughout a variety of fields of study. Guidebook to R photos utilizing Microsoft® home windows deals a distinct presentation of R, guiding new clients via its many advantages, together with the production of top quality photographs. starting with getting this system up and operating, this publication takes readers step-by-step during the technique of developing histograms, boxplots, strip charts, time sequence graphs, steam-and-leaf screens, scatterplot matrices, and map graphs.
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5, 1, 1, 1), omi = c(0, 0, 0, 0)) (left). 5, 2, 1, 1), omi = c(0, 0, 0, 0)) (right). plot(c(l, 3), c(2, 9), xlab = "x", ylab = "y", type = V ) lines(c(l,2,3), c(2,8,9)) points(c(l,2,3), c(2,8,9), pch = 14) # (3) p l o t ( c ( l , 3 ) , c ( 2 , 9 ) , xlab = "x", ylab = "y", type = "n") l i n e s ( c ( l , 2, 3 ) , c ( 3 , 8, 4)) p o i n t s ( c ( l , 2, 3 ) , c ( 3 , 8, 4 ) , pch = 15) > (1) The argument mfrow = c ( 2 , 1) in p a r ( ) specifies that the graphics window is divided into two equal-spaced areas vertically for drawing a graph in each area.
Iwd = 1 is specified as an argument of l i n e s ( ) . Even if Iwd = is not set, the same straight line is obtained. (4) (5) (6) (7) (8) Straight lines are drawn with various values of Iwd = ranging from 2 to 6. In addition, the type of straight line as well as its width can be specified as an argument of l i n e s ( ) . Program (1 - 18) illustrates this function as shown in Fig. 33 (right). 6, 1), c(l, 1), Iwd = 2, lty = "solid") # (4) t e x t ( 0 . 0 , 0 . 8 , ' l t y = 2 , l t y = " d a s h e d " ' , adj = c ( 0 , 0 .
3) Circles are drawn using symbols(). add = T indicates adding a figure to an existing graph (the coordinate axes in this case). The setting of add = F or the default setting means drawing a new graph. The argument inches = F specifies the method of setting the size of a circle. The argument inches = F means that the radius of a circle is specified on the scale of the x-axis. 2 means the radius of a circle. The argument f g = "red" indicates that the circumference of a circle is drawn in red. The argument bg = "yellow" shows that the inner area of a circle is drawn in yellow.
Guidebook to R Graphics Using Microsoft Windows by Kunio Takezawa