R Language Q&A のアプリ分析 1月12日

If you want to know how much you have about your R skills, try this! You have over 150 questions and quickly review whenever you want. This app doesn't have in-app charge so until you confirm your knowledge fully, you can keep using this. Before you go to your R language engineer interview, or some exam in school, try this so you don't miss your future opportunity.