[Julia] 08. Plotting

Plotting

PyPlot 등을 이용한 plot 그리기

using Pkg
Pkg.add("Plots")
using Plot

globaltemperatures = [14.4, 14.5, 14.8, 15.2, 15.5, 15.8]

6-element Array{Float64,1}:
 14.4
 14.5
 14.8
 15.2
 15.5
 15.8

numpirates = [45000, 20000, 15000, 5000, 400, 17]

6-element Array{Int64,1}:
 45000
 20000
 15000
  5000
   400
    17

# try the GR backend - 실제로 플롯을 그리는 library
gr()

Plots.GRBackend()

plot(numpirates, globaltemperatures, label="line")
# scattered points가 위의 plot에 추가될 수 있도록 한다.
scatter!(numpirates, globaltemperatures, label="points")

xlabel!("Number of Pirates [Approximate]")
ylabel!("Global Temperature (C)")
title!("Influence of pirate population on global warming")

# syntax를 바꾸지 않고도 backend를 바꿔 plot을 그릴 수 있다.
Pkg.add("UnicodePlots")
unicodeplots()

plot(numpirates, globaltemperatures, label="line")  
scatter!(numpirates, globaltemperatures, label="points") 
xlabel!("Number of Pirates [Approximate]")
ylabel!("Global Temperature (C)")
title!("Influence of pirate population on global warming")

                                       Influence of pirate population on global warming
                                 +------------------------------------------------------------+       
                          15.842 | |                                                          | line  
                                 | |                                                          | points
                                 | |                                                          |       
                                 | ||                                                         |       
                                 | ||                                                         |       
                                 | |".                                                        |       
                                 | |  \.                                                      |       
                                 | |   '.                                                     |       
                                 | |     `.                                                   |       
   Global Temperature (C)        | |      "\.                                                 |       
                                 | |         "..                                              |       
                                 | |           '`.                                            |       
                                 | |             "\.                                          |       
                                 | |                "..                                       |       
                                 | |                  '.                                      |       
                                 | |                    \.                                    |       
                                 | |                     ".                                   |       
                                 | |                       \.                                 |       
                                 | |                        """"""`-------._______            |       
                          14.358 | |                                              """""""\--/ |       
                                 +------------------------------------------------------------+       
                                 -1332.49                                              46349.49
                                                Number of Pirates [Approximate]