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NAVRATIL VINCENT
training-prabi
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7dea0fe1
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7dea0fe1
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Jan 07, 2022
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NAVRATIL VINCENT
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handson-tidyverse/README.md
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# Initiation aux data science à l'aide de R et du tidyverse
contact@prabi.fr
...
...
@@ -50,6 +49,8 @@ Ces packages sont aujourd'hui regroupés sous le package tidyverse, on y retrouv
Nous allons tenter d'apprivoiser R à l'aide de tidyverse. https://thinkr.fr/pedagogie-de-la-formation-au-langage-r/
https://thinkr.fr/c-est-quoi-le-tidyverse/
Tout d'abord nous allons installer le package
`tidyverse`
sous R/RStudio:
```
R
...
...
@@ -74,11 +75,13 @@ x dplyr::lag() masks stats::lag()
Nous allons utiliser le jeux de données
`iris`
pour illustrer les différentes fonctionalités de base de R.
https://fr.wikipedia.org/wiki/Iris_de_Fisher
http://cbdm-01.zdv.uni-mainz.de/~galanisl/danalysis/
<img
src=
"https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Kosaciec_szczecinkowaty_Iris_setosa.jpg/440px-Kosaciec_szczecinkowaty_Iris_setosa.jpg"
width=
"100px"
>
<i>
Iris setosa
</i><br>
<img
src=
"https://upload.wikimedia.org/wikipedia/commons/thumb/4/41/Iris_versicolor_3.jpg/440px-Iris_versicolor_3.jpg"
width=
"100px"
>
<i>
Iris versicolor
</i><br>
<img
src=
"https://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Iris_virginica.jpg/440px-Iris_virginica.jpg"
width=
"100px"
>
<i>
Iris virginica
</i><br>

Présentation des principes du tidyverse (https://juba.github.io/tidyverse/06-tidyverse.html)
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@@ -86,6 +89,15 @@ Présentation des principes du tidyverse (https://juba.github.io/tidyverse/06-ti
```
R
class
(
iris
)
tidyris
<-
as_tibble
(
iris
)
class
(
tidyris
)
```
#ggplot2
```
R
ggplot
(
tidyris
)
+
geom_histogram
(
aes
(
x
=
Sepal.Length
))
```
...
...
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