Created

Embed URL

HTTPS clone URL

SSH clone URL

You can clone with HTTPS or SSH.

Download Gist

plot with three categorical variables and one continuous variable using ggplot2

View 3catggplot2.r
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
#http://jeromyanglim.blogspot.com.au/2012/05/how-to-plot-three-categorical-variables.html
library(ggplot2)
 
# Create some data
set.seed(4444)
Data <- expand.grid(group=c("Apples", "Bananas", "Carrots", "Durians", "Eggplants"),
year=c("2000", "2001", "2002"),
quality=c("Grade A", "Grade B", "Grade C", "Grade D", "Grade E"))
Group.Weight <- data.frame(
group=c("Apples", "Bananas", "Carrots", "Durians", "Eggplants"),
group.weight=c(1,1,-1,0.5, 0))
Quality.Weight <- data.frame(
quality=c("Grade A", "Grade B", "Grade C", "Grade D", "Grade E"),
quality.weight = c(1,0.5,0,-0.5,-1))
Data <- merge(Data, Group.Weight)
Data <- merge(Data, Quality.Weight)
Data$score <- Data$group.weight + Data$quality.weight + rnorm(nrow(Data), 0, 0.2)
Data$proportion.tasty <- exp(Data$score)/(1 + exp(Data$score))
 
 
# Plot Data with ggplot2
ggplot(data=Data,
aes(x=factor(year), y=proportion.tasty,
group=group,
shape=group,
color=group)) +
geom_line() +
geom_point() +
opts(title = "Proportion Tasty by Year, Quality, and Group") +
scale_x_discrete("Year") +
scale_y_continuous("Proportion Tasty") + facet_grid(.~quality )
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.