as in EN: https://github.com/epiverse-trace/tutorials-early/blob/a53d9f393ec67d482871e1d5934ac65a9bd0284a/episodes/clean-data.Rmd#L47-L49 FR: https://github.com/epiverse-trace/tutorials-early/blob/81ecbabb6e2280c1c817cbb84c19e2294ed70d3b/locale/fr/episodes/clean-data.Rmd#L43
