- Install package and library upload
#install.packages("ggvis")
library(ggvis)
# dataset: mtcars
head(mtcars)
## mpg cyl disp hp drat wt qsec vs am gear carb
## Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4
## Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4
## Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1
## Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1
## Hornet Sportabout 18.7 8 360 175 3.15 3.440 17.02 0 0 3 2
## Valiant 18.1 6 225 105 2.76 3.460 20.22 1 0 3 1
attach(mtcars)
# mpg:Miles per Gallon, qsec: 1/4 mile time
plot(mpg, qsec)
- Data prepatation
# %>% pipeline
mtcars$cyl = as.factor(mtcars$cyl)
mtcars %>% ggvis(~mpg, ~qsec) %>% layer_points()
- Draw a line for distribution of the points and Visualization
mtcars %>% ggvis(~mpg, ~qsec, fill := "red") %>% layer_points() %>% layer_smooths() %>% add_axis("x", title = "Miles/Gallon", values=c(10:35)) %>% add_axis("y", title = "1/4 Mile Time")
mtcars %>% ggvis(~mpg, ~qsec, fill = ~cyl) %>% layer_points() %>% layer_smooths() %>% add_axis("x", title = "Miles/Gallon") %>% add_axis("y", title = "1/4 Mile Time", subdivide=2)