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

c(women) lists the data of height and weight. c(as.matrix(women)) lists the data into two columns.