about orders of the objects in boxplot

[lily li]

Hi ggplot users,

I have a dataframe,

> df1

     id month  A  B  C

1   ben     1 65 21 54

2   ben     2 66 23 55

3   ben     3 54 24 56

4  cort     4 44 23 53

5  cort     5 67 22 52

6  cort     6 66 21 50

7   jam     1 45 20 51

8   jam     2 56 19 57

9   art     1 40 25 58

10  art     2 39 24 53

11  art     6 56 19 54

12  art     7 55 20 52

13  art     8 67 21 50

I want to draw a boxplot for column A. My code is like this:

df1 = read.csv('~/Desktop/data1.csv',header=T)

boxplot1 = ggplot(data=df1,aes(x=factor(id),y=A))+geom_boxplot()

show(boxplot1)

In the figure, the objects on the x-axis appear alphabetically, which means that they appear in the order: art, ben, cort, jam. How to remove the order? I want the objects to appear according to the order in the original dataset: ben, cort, jam, art. Thanks for your help.

[Roman Luštrik]

You need to change the order of factor levels in your data.frame.

http://stackoverflow.com/questions/5208679/order-bars-in-ggplot2-bar-graph

Cheers,

Roman

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