ggplot2--coordinate System Chapter

Directory:

• Initial pattern
• To modify the display range of an axis
• Modify the label (content, size, font, color, bold, position, angle) of the axis
• Modify the text (size, font, color, bold, position, angle) of the axis scale
• Modify the contents of an axis scale text
• To modify the scale interval for an axis

(For more information, see: R, Ggplot2, shiny summary)

Initial pattern:

Library(GGPLOT2)DT= data. Frame(A = 1:10, B = c(2,15,6,18,9,7,13,15,10,3), c = C ('a', 'C', 'a', 'B', 'C', 'D', 'a', ' C', 'D', 'B'))P= Ggplot (DT, AES (x =A, y =B, color =C, group = factor (1)) + geom_point (size =3.8) + geom_line (size =0.8) + Geom_text (AES (label =B, Vjust =1.1, Hjust =-0.5, Angle = $), Show_guide =FALSE# # # Add a value to a pointP

to modify the display range of an axis:

Library (ggplot2) dt = data.frame (A =1:Ten, B = C (2, the,6, -,9,7, -, the,Ten,3), C = C (' A ',' C ',' A ',' B ',' C ',' D ',' A ',' C ',' D ',' B ') p = ggplot (DT, AES (x = A, y = B,Color= C,Group= Factor (1)) + Geom_point (size=3.8) + Geom_line (size=0.8) + Geom_text (AES (label = B, Vjust =1.1, Hjust =-0.5,Angle= $), show_guide = FALSE) p + scale_x_continuous (limits = C (-5, the) # # Method one P + xlim (-5, the) # # Method two P + xlim (min(DT$A,0)*. 2,Max(DT$A)*. 2# # # General use multiple to limit the size, note the way to define the minimum value

Modify the label (content, size, font, color, bold, position, angle) of the axis:

Library(GGPLOT2)windowsfonts(MyFont = Windowsfont ("XXFarEastFont-Xingkai") # #如果要更改字体, you need to "bind" the font firstDT= data. Frame(A = 1:10, B = c(2,15,6,18,9,7,13,15,10,3), c = C ('a', 'C', 'a', 'B', 'C', 'D', 'a', ' C', 'D', 'B'))P= Ggplot (DT, AES (x =A, y =B, color =C, group = factor (1)) + geom_point (size =3.8) + geom_line (size =0.8) + Geom_text (AES (label =B, Vjust =1.1, Hjust =-0.5, Angle = $), Show_guide =FALSE)P+ Xlab ("This is the X-axis") + Ylab ("This is the Y axis") + Ggtitle ("This is the title") # # Modify Text Method oneP+ Labs (x ="This is the X-axis", y ="This is the Y axis", title ="This is the title") # # Modify Text Method two# # # Change the size, font, color, bold, position, Angle # # of X-axis labelsP+ Xlab ("This is the X-axis") + Theme (axis.title.x = element_text (size = the,Family="MyFont", color ="Green", face ="Bold", Vjust =0.5, Hjust =0.5, Angle = $))# # face value: Plain Normal, bold bold, italic italic, bold.italic italic Bold

Modify the text (size, font, color, bold, position, angle) of the axis scale:

Library(GGPLOT2)windowsfonts(MyFont = Windowsfont ("XXFarEastFont-Xingkai") # #如果要更改字体, you need to "bind" the font firstDT= data. Frame(A = 1:10, B = c(2,15,6,18,9,7,13,15,10,3), c = C ('a', 'C', 'a', 'B', 'C', 'D', 'a', ' C', 'D', 'B'))P= Ggplot (DT, AES (x =A, y =B, color =C, group = factor (1)) + geom_point (size =3.8) + geom_line (size =0.8) + Geom_text (AES (label =B, Vjust =1.1, Hjust =-0.5, Angle = $), Show_guide =FALSE)# # # #修改 the size, font, color, bold, position, and angle of the X-axis scale text:P+ Theme (Axis.text.x = element_text (size = the,Family="MyFont", color ="Green", face ="Bold", Vjust =0.5, Hjust =0.5, Angle = $))# # face value: Plain Normal, bold bold, italic italic, bold.italic italic Bold

to modify the contents of an axis scale text:

Library (ggplot2) dt = data.frame (A =1:Ten, B = C (2, the,6, -,9,7, -, the,Ten,3), C = C (' A ',' C ',' A ',' B ',' C ',' D ',' A ',' C ',' D ',' B ') p = ggplot (DT, AES (x = A, y = B,Color= C,Group= Factor (1)) + Geom_point (size=3.8) + Geom_line (size=0.8) + Geom_text (AES (label = B, Vjust =1.1, Hjust =-0.5,Angle= $), show_guide = FALSE) p + scale_x_continuous (BREAKS=DT$A, labels = dt$A*1000# # # Just changed the text on the scale

to modify the scale interval for an axis:

Library(GGPLOT2)DT= data. Frame(A = 1:10, B = c(2,15,6,18,9,7,13,15,10,3), c = C ('a', 'C', 'a', 'B', 'C', 'D', 'a', ' C', 'D', 'B'))P= Ggplot (DT, AES (x =A, y =B, color =C, group = factor (1)) + geom_point (size =3.8) + geom_line (size =0.8) + Geom_text (AES (label =B, Vjust =1.1, Hjust =-0.5, Angle = $), Show_guide =FALSE)P+ scale_x_continuous (BREAKS=SEQ (0,Ten,5))   ##XThe shafts are isolated from each5Units display a tick

Copyright NOTICE: Reprint Please indicate the source, thank you!

ggplot2--coordinate System Chapter