https://www.kaggle.com/vardan95ghazaryan/top-250-football-transfers-from-2000-to-2018
tinytex::install_tinytex()in RStudio console- place cursor in .Rmd file and do Ctrl + Maj + K
- https://www.kaggle.com/dhandepp/transfer-analysis-and-prediction-beginner : prédiction prix transfert avec régression linéaire