R Examples

In [1]:

    

options(repr.plot.width = 5)
options(repr.plot.height = 5)


    

In [2]:

    

year <- c(2000 ,   2001  ,  2002  ,  2003 ,   2004)
rate <- c(9.34 ,   8.50  ,  7.62  ,  6.93  ,  6.60)
df = data.frame(year, rate)


    

In [3]:

    

head(df)


    

    
Out[3]:





year
rate

	
1
2000
9.34
	
2
2001
8.5
	
3
2002
7.62
	
4
2003
6.93
	
5
2004
6.6

In [4]:

    

library(ggplot2)


    

In [5]:

    

ggplot(df, aes(x=year, y=rate)) +
    geom_point(shape=1) +    # Use hollow circles
    geom_smooth(method=lm)   # Add linear regression line, with 95% confidence region


    

In [6]:

    

head(iris)


    

    
Out[6]:





Sepal.Length
Sepal.Width
Petal.Length
Petal.Width
Species

	
1
5.1
3.5
1.4
0.2
setosa
	
2
4.9
3
1.4
0.2
setosa
	
3
4.7
3.2
1.3
0.2
setosa
	
4
4.6
3.1
1.5
0.2
setosa
	
5
5
3.6
1.4
0.2
setosa
	
6
5.4
3.9
1.7
0.4
setosa

In [7]:

    

pairs(iris[1:4], main = "Iris Data", pch = 21,
      bg = c("red", "green3", "blue")[unclass(iris$Species)])