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26409e76addd01285a23d94b61746792
mooc-rr
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303302b7
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303302b7
authored
Jun 23, 2021
by
26409e76addd01285a23d94b61746792
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module2/exo1/toy_document_fr.Rmd
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303302b7
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@@ -37,7 +37,9 @@ df = data.frame(X = runif(N), Y = runif(N))
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@@ -37,7 +37,9 @@ df = data.frame(X = runif(N), Y = runif(N))
df$Accept = (df$X**2 + df$Y**2 <=1)
df$Accept = (df$X**2 + df$Y**2 <=1)
library(ggplot2)
library(ggplot2)
ggplot(df, aes(x=X,y=Y,color=Accept)) + geom_point(alpha=.2) + coord_fixed() + theme_bw()
ggplot(df, aes(x=X,y=Y,color=Accept)) + geom_point(alpha=.2) + coord_fixed() + theme_bw()
```
```
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 :
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 :
```{r}
```{r}
4*mean(df$Accept)
4*mean(df$Accept)
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