#+TITLE:  Fichier R exo module2
#+AUTHOR: Sylla
#+DATE:  24  4juin 2021
#+LANGUAGE: en
# #+PROPERTY: header-args :eval never-export

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#+HTML_HEAD: <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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#+begin_src R :results output :session *R* :exports both
summary(14.0, 7.6, 11.2, 12.8, 12.5, 9.9, 14.9, 9.4, 16.9, 10.2, 14.9, 18.1, 7.3, 9.8, 10.9,12.2, 9.9, 2.9, 2.8, 15.4, 15.7, 9.7, 13.1, 13.2, 12.3, 11.7, 16.0, 12.4, 17.9, 12.2, 16.2, 18.7, 8.9, 11.9, 12.1, 14.6, 12.1, 4.7, 3.9, 16.9, 16.8, 11.3, 14.4, 15.7, 14.0, 13.6, 18.0, 13.6, 19.9, 13.7, 17.0, 20.5, 9.9, 12.5, 13.2, 16.1, 13.5, 6.3, 6.4, 17.6, 19.1, 12.8, 15.5, 16.3, 15.2, 14.6, 19.1, 14.4, 21.4, 15.1, 19.6, 21.7, 11.3, 15.0, 14.3, 16.8, 14.0, 6.8, 8.2, 19.9, 20.4, 14.6, 16.4, 18.7, 16.8, 15.8, 20.4, 15.8, 22.4, 16.2, 20.3, 23.4, 12.1, 15.5, 15.4, 18.4, 15.7, 10.2, 8.9, 21.0)
#+end_src

#+RESULTS:



: [1] "Hello world!"

And now the same but in an R session. This is the most frequent
situation, because R is really an interactive language. With a
session, R's state, i.e. the values of all the variables, remains
persistent from one code block to the next. The code is still executed
using ~C-c C-c~.

#+begin_src R :results output :session *R* :exports both
summary(cars)
#+end_src

#+RESULTS:
:      speed           dist       
:  Min.   : 4.0   Min.   :  2.00  
:  1st Qu.:12.0   1st Qu.: 26.00  
:  Median :15.0   Median : 36.00  
:  Mean   :15.4   Mean   : 42.98  
:  3rd Qu.:19.0   3rd Qu.: 56.00  
:  Max.   :25.0   Max.   :120.00

#