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c8c97f9cb8c3a20740b5dc4b6225c706
mooc-rr
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b85c0eed
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b85c0eed
authored
Apr 10, 2020
by
c8c97f9cb8c3a20740b5dc4b6225c706
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Update toy_document_fr.Rmd
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module2/exo1/toy_document_fr.Rmd
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b85c0eed
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@@ -12,9 +12,9 @@ knitr::opts_chunk$set(echo = TRUE)
## En demandant à l'ordinateur
Mon ordinateur m’indique que $\pi$ vaut approximativement
'''
```
pi
'''
```
## En utilisant la méthode des aiguilles de Buffon
Mais calculé avec la **méthode** des [aiguilles de Buffon](https://fr.wikipedia.org/wiki/Aiguille_de_Buffon), on obtiendrait comme **approximation** :
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@@ -45,6 +45,6 @@ ggplot(df, aes(x=X,y=Y,color=Accept)) + geom_point(alpha=.2) + coord_fixed() + t
Il est alors aisé d’obtenir une approximation (pas terrible) de $\pi$
en comptant combien de fois, en moyenne, $X^2+Y^2$
est inférieur à 1:
'''
```
4*mean(df$Accept)
'''
```
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