Thanks for your answer.
Yes, it is quite different from what I am looking for which will be
more
something like :
--- 8< -----
Exercice 1: wrote a function that compute the surface of a rectangle
Exercice 2: wrote a function that compute factorial n (whithout using
the
function factorial)
Exercice 3: wrote a function, that given a n, will draw a triangle of
"*".
Example with n=5
*
**
***
****
*****
--- 8< -----
The first exemple is about writing a (very) simple function and
returning the result ; the second
need the use of a loop. The third will need two loops (for a beginer).
And so on, on various topic.
Christophe
Are you familiar with R Inferno? This is a programming-oriented
tutorial for R by the statistician Patric Burns. He has generously
placed it as a pdf online for free
(http://www.burns-stat.com/pages/Tutor/R_inferno.pdf [4]); you could
also
purchase a copy. Of course this will be more than just a few practice
exercises (a lot more, and actually, I'm not sure there are any
exercises but you can certainly follow along with the examples).
Nonetheless, it may still be right up your alley. There are other
resources for learning the programming side of R, but only a few that
are as good, and none other free, so far as I know. If this is really
different from what you're looking for, you may want to reply with
more
detail.
Hope that helps. -Jeff
On 4/20/2012 7:41 AM, cgenolin wrote:
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 [[alternative HTML version deleted]]
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