my_data_project/
$ git init
Initialized empty Git repository in /my_data_project/.git/
my_data_project/
$ git add data.csv
my_data_project/
$ git commit -m "Add dataset"

[main (root-commit) e54b937] Add dataset
 1 file changed, 1933508 insertions(+)
 create mode 100644 data.csv

File

committed