I want to print out the specific dates for a given observation. Below is my data structure.
id date
1 2017-08-31
1 2017-08-31
1 2017-05-06
2 2015-09-01
2 2015-11-01
3 2010-12-02
3 2010-12-02
If I wanted to identify/print the dates for participant 1, how would I go about doing this?