eduroam-prg-sg-1-46-190.net.univ-paris-diderot.fr 2026-1-26:16:22:14
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oskar
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---
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excalidraw-plugin: parsed
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tags: [excalidraw]
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---
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==⚠ Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠== You can decompress Drawing data with the command palette: 'Decompress current Excalidraw file'. For more info check in plugin settings under 'Saving'
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# Excalidraw Data
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## Text Elements
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clé ^j1B2X0aE
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colonnes ^XcZWeIKp
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variables = "mesures" ^IrUhccZN
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n ^32WWSOnV
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individus ^Jd6H7vnZ
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observations
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individuelles ^P0ARzdV2
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%%
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## Drawing
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```
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%%
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27
statistiques univariées.md
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27
statistiques univariées.md
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---
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up:
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- "[[analyse exploratoire de données]]"
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tags:
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- s/maths/statistiques
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aliases:
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number headings: first-level 1, start-at 0, max 3, 1.1 -
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---
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# I - Motivation
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Lorsque l'on travaille sur des données tabulaires.
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![[statistiques univariées données tabulaires 2026-01-26 16.09.21.excalidraw|600]]
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- phase préliminaire de l'analyse exploratoire
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- examen de chaque colonne (échantillon multivarié)
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- phase II : examiner les colonnes paire par paire
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- phase III : recherche de relations $\begin{cases} \text{entre 1 colonne et les autres}\\ \text{entre 2 groupes de colonnes} \end{cases}$ (analyse multivariée)
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# II - Lexique / vocabulaire
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- échantillon (sample)
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- souvent obtenu à partir d'une *population*
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- mesures/variables sur chaque individu
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# III - échantillons quantitatifs / numériques
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# IV - résumés numériques
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# V - graphiques
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# VI - échantillons catégoriels
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