>
head
(
test
)
age popperc
1
0
-
5
7
2
5
-
15
14
3
15
-
20
7
4
20
-
25
7
5
25
-
35
7
6
25
-
30
7
>
summary
(
test
)
age popperc
Length
:
12
Min.
:
6.000
Class
:
character
1st Qu.
:
7.000
Mode
:
character
Median
:
7.000
Mean
:
8.917
3rd Qu.
:
11.000
Max.
:
15.000