Yes, I didn't look for the rock star/rockstar, but you're right, if people feel the need to mention words such as rockstar/ninja, it's already a problem. Thank

Yes, I didn't look for the rock star/rockstar, but you're right, if people feel the need to mention words such as rockstar/ninja, it's already a problem. Thank you for answering mreskto question about what you used to draw the plots , I find this short overview of ggplot2 interesting[1] ! [1]http://minimaxir.com/2015/02/ggplot-tutorial/ http://minimaxir.com/2015/02/ggplot-tutorial/