  

Hi the list, 

I am looking for some exercices for a PhD student
that start to learn R. He already "read" some tutorial, but now he needs
some practice. 

He does *not* need to learn any statistical tools ; he
just needs to work on programmation concept. So I am looking for some
exercice sheet that will, for example, focus on :  

 - structuring the
data (data.frame / list / matrix / ...) 

 - using controle syntax (for
/ if / while / function) 

 - reading data 

 - ... 

Any link for this
kind of material? 

Sincerely 

Christophe 
  
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