tjlee-women data

library(datasets)
dta <- datasets::women
c(women)

## $height
##  [1] 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
## 
## $weight
##  [1] 115 117 120 123 126 129 132 135 139 142 146 150 154 159 164

##
c(as.matrix(women))

##  [1]  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72 115 117 120 123
## [20] 126 129 132 135 139 142 146 150 154 159 164

we can see c(women) output height and weight and c(as.matrix(women)) appear two columns