绘制散点图
head(mtcars)
A data.frame: 6 × 11
|
mpg |
cyl |
disp |
hp |
drat |
wt |
qsec |
vs |
am |
gear |
carb |
|
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
<dbl> |
| 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 |
plot(mtcars$wt, mtcars$mpg)
library(ggplot2)
qplot(mtcars$wt, mtcars$mpg)
