title: R csv file must be splitted in 3 data frames
body: <p><a href="https://i.stack.imgur.com/90vu6.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/90vu6.png" alt="enter image description here" /></a></p>
  <p>I have this .csv file and I need to load it in 2 data frames or data tables (see image). How can I do it in R?</p>