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
32
33
34
35
36
37
38
39
40
41
42
43
|
# convert data frame to numeric
Code
to_numeric(head(ToothGrowth), dummy_factors = TRUE)
Output
len supp.OJ supp.VC dose
1 4.2 0 1 0.5
2 11.5 0 1 0.5
3 7.3 0 1 0.5
4 5.8 0 1 0.5
5 6.4 0 1 0.5
6 10.0 0 1 0.5
---
Code
to_numeric(head(ToothGrowth), dummy_factors = FALSE)
Output
len supp dose
1 4.2 2 0.5
2 11.5 2 0.5
3 7.3 2 0.5
4 5.8 2 0.5
5 6.4 2 0.5
6 10.0 2 0.5
# convert factor to numeric
Code
to_numeric(f, dummy_factors = TRUE)
Output
a c i s t
1 0 0 0 1 0
2 0 0 0 0 1
3 1 0 0 0 0
4 0 0 0 0 1
5 0 0 1 0 0
6 0 0 0 1 0
7 0 0 0 0 1
8 0 0 1 0 0
9 0 1 0 0 0
10 0 0 0 1 0
|
