3f:null 40:["$","title",null,{"children":"TP 2 — Interroger un jeu de données | Maxence Jot | Observable"}] 46:T40d, **À toi** **65 titres sur 291 sont remportés par des gauchers — 22 %.** Or les gauchers représentent environ 10 % de la population. **Question 4.** Peux-tu conclure que les gauchers sont avantagés au tennis ? Écris ta réponse en trois temps : 1. ce que la donnée montre ; 2. ce qu'elle **ne montre pas** ; 3. quel autre fichier il te faudrait pour trancher. *Ta réponse, dans la cellule ci-dessous.*47:T435, **À toi** **Question 5.** Quatre sous-questions, celles du CM2 — puis une conclusion. Et une consigne de plus, qui compte autant que les quatre : **Ce fichier vient de quelque part. Va voir.** Cherche son nom sur le web, ouvre la page d'où il a été téléchargé, et lis-la — *toute*, y compris les encadrés qu'on saute d'habitude. Puis dis ce que la page t'apprend **que le fichier ne dit pas**. *Ta réponse, dans la cellule ci-dessous.*48:[{"id":"216416811cf95995a709448d9efffe2dab30020948a745d368123b68781591a6cf33e5ac5e3e81e8fe9f70a27f7b4dc447a02eaa266637941e7591e9fb20b295","href":"https://static.observableusercontent.com/files/216416811cf95995a709448d9efffe2dab30020948a745d368123b68781591a6cf33e5ac5e3e81e8fe9f70a27f7b4dc447a02eaa266637941e7591e9fb20b295","name":"Mens_Tennis_Grand_Slam_Winner.csv","type":"text/csv","lastModified":1786292750791.46,"size":23545}] 44:{"id":"393a3a45c6a2905c","slug":"tp-2-interroger-un-jeu-de-donnees","title":"TP 2 — Interroger un jeu de données","thumbnail":"f0c3151e9d57dae155113bd2e2da27339e69e676771c700c53fd5ccc0da4a10a","access_level":"public","create_time":"$D2026-09-07T13:46:02.141Z","update_time":"$D2026-09-07T15:04:58.025Z","view_time":null,"first_public_time":"$D2026-09-07T13:49:49.281Z","has_unpublished_edits":null,"fork":{"id":"aaab7a1fb81760e6","slug":"tp-2-interroger-un-jeu-de-donnees","title":"TP 2 — Interroger un jeu de données","owner":{"id":"29853dc62ffa3714","login":"mmi-montbeliard","name":"MMI Montbéliard"}},"stars":0,"starred":false,"owner":{"type":"team","id":"5b746d0c846bc14a","login":"maxence-jot","name":"Maxence Jot","avatar_url":"https://avatars-next.observableusercontent.com/bc8ce9f6a38cc77c2bff9ea5e2f0f2e1f94156d8a7b9b47c26f2ad100c7b21ff","tier":"starter_2024","bio":"","following":false},"version":299,"publish_version":299,"role":null,"authored":false,"authors":[{"type":"individual","id":"d1fdc28ef299d2c8","login":"maxence-jot","name":"Maxence Jot","avatar_url":"https://avatars-next.observableusercontent.com/bc8ce9f6a38cc77c2bff9ea5e2f0f2e1f94156d8a7b9b47c26f2ad100c7b21ff","tier":null,"bio":"","following":false}],"members":[{"type":"team","id":"5b746d0c846bc14a","login":"maxence-jot","name":"Maxence Jot","avatar_url":"https://avatars-next.observableusercontent.com/bc8ce9f6a38cc77c2bff9ea5e2f0f2e1f94156d8a7b9b47c26f2ad100c7b21ff","tier":"starter_2024","role":"editor"}],"comments":[],"custom_thumbnail":true,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"TP 2 — Interroger un jeu de données","cells":[{"id":0,"value":"# TP 2 — Interroger un jeu de données\n\nTu as devant toi **291 finales de Grand Chelem**, de 1950 à 2023.\nC'est le fichier qui a servi à fabriquer la visualisation d'IA du TP 1.\n\nTu ne vas pas encore dessiner. Tu vas faire ce que le CM2 appelle les\n**cinq questions** — celles qui coûtent dix minutes, et dont l'oubli coûte le\nprojet.\n\n---\n\n## ⚠️ Avant toute chose : **forke ce notebook**\n\nBouton **Fork**, en haut à droite. Sinon rien n'est enregistré.\nEnsuite, tout ce que tu écris dans une cellule est sauvegardé tout seul :\n**ce notebook est ton rendu**, tu en déposeras le lien sur Moodle.\n\n> **Le code n'est pas la note.** Chaque question est suivie d'une cellule de\n> réponse : tu y écris **en français**, juste en dessous. Une réponse juste avec\n> un code moche vaut mieux qu'un code élégant sans réponse.\n\n⚠️ Dans les cellules de réponse, écris entre les **guillemets obliques** ` — pas\nentre `'` ni `\"`, sinon la moindre apostrophe casse la cellule.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":5,"value":"donnees = FileAttachment(\"Mens_Tennis_Grand_Slam_Winner.csv\").csv({\n typed: true\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":146,"value":"mens_tennis_grand_slam_winner = await FileAttachment(\"Mens_Tennis_Grand_Slam_Winner.csv\").csv({typed: \"auto\"})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"mens_tennis_grand_slam_winner","database":"$undefined"},{"id":9,"value":"**Avant toute chose : regarde.** Fais défiler. Trie sur quelques colonnes.\nTu as déjà vu au moins deux choses bizarres — note-les, on y revient.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":11,"value":"## La syntaxe dont tu as besoin (et pas plus)\n\nUn jeu de données, en JavaScript, c'est un **tableau d'objets** : une ligne = un\nobjet, une colonne = une clé.\n\nCinq outils suffisent pour tout le TP. Aucun ne modifie le tableau d'origine —\nils en **renvoient un nouveau**.\n\n| Méthode | Ce qu'elle fait |\n|---|---|\n| `.filter(f)` | garde les lignes où `f` est vraie |\n| `.map(f)` | transforme chaque ligne |\n| `.toSorted(f)` | trie |\n| `Object.groupBy(t, f)` | regroupe par clé |\n| `d3.mean` / `d3.median` / `d3.rollup` | agrège |\n\n⚠️ **Attention aux noms de colonnes avec un tiret** : `RUNNER-UP` n'est pas un\nidentifiant JavaScript valide. On y accède par `d[\"RUNNER-UP\"]`, jamais par\n`d.RUNNER-UP`.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":186,"value":"aide(\"methodesTableau\", \"Les quatre méthodes de tableau\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":189,"value":"aide(\"objetLitteral\", \"Pourquoi ({ … }) et pas { … }\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"// Une ligne, pour voir la forme\ndonnees[0]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":18,"value":"// Les finales de Roland-Garros\ndonnees.filter((d) => d.TOURNAMENT === \"French Open\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":20,"value":"// Les dix plus gros chèques\ndonnees\n .filter((d) => d.WINNER_PRIZE != null)\n .toSorted((a, b) => b.WINNER_PRIZE - a.WINNER_PRIZE)\n .slice(0, 10)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":22,"value":"// Combien de titres par joueur ?\ntitresParJoueur = d3.rollup(\n donnees,\n (v) => v.length,\n (d) => d.WINNER\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":192,"value":"aide(\"agreger\", \"rollup ou rollups ?\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":24,"value":" **À toi** — Écris trois cellules :\n1. les finales jouées sur gazon depuis 2000 ;\n2. le nombre de finales par tournoi ;\n3. le joueur le plus titré, tous tournois confondus.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":27,"value":"// Les finales jouées sur gazon depuis 2000\nex1 = donnees.filter((d) => d.TOURNAMENT_SURFACE === \"Grass / Outdoor\" && d.YEAR >=2000 );","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":149,"value":"// Le nombre de finales par tournoi\nex2 = d3.rollup(\n donnees,\n (v) => v.length,\n (d) => d.TOURNAMENT\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":151,"value":"// Le joueur le plus titré, tous tournois confondus\nex3 =null","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":29,"value":"---\n# Analyse des données\n\n## Question préalable — de quelle nature sont ces variables ?\n\nAvant les cinq questions, celle du CM2 qui les précède toutes. Pour chaque\ncolonne, dis si elle est **qualitative nominale**, **qualitative ordinale**,\n**quantitative absolue** ou **quantitative relative**.\n\nDeux pièges dans ce fichier :\n- `YEAR` est un nombre. Est-ce pour autant une variable quantitative ?\n- `WINNER_ATP_RANKING` : un classement, c'est quoi exactement ?\n\n *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":47,"value":"rNature = `La variable YEAR n'est pas une variable quantitative, ici elle représente l'année dans laquelle s'est déroulé le tournois c'est donc une variable qualitative nominal. Un classement représente une variable qualitative ordinal elle permet de classer des effectifs dans un ordre sans pour autant donnée de valeur.`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":195,"value":"aide(\"lesTrous\", \"Valeurs manquantes et NaN\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":51,"value":"## Question 1 — la moyenne ment-elle ?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":32,"value":"gains = donnees.filter((d) => d.WINNER_PRIZE != null).map((d) => d.WINNER_PRIZE)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":34,"value":"({\n n: gains.length,\n moyenne: d3.mean(gains),\n mediane: d3.median(gains),\n min: d3.min(gains),\n max: d3.max(gains)\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":36,"value":" **À toi**\n\n**Question 1.** La moyenne et la médiane des gains sont-elles proches ?\nÉcris l'écart en une phrase.\n\nPuis la vraie question, celle qui compte : **est-ce que cette moyenne veut dire\nquelque chose ?**\n\nIndice : regarde `min` et `max`. Regarde les années auxquelles ils\ncorrespondent.\n *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":56,"value":"rMoyenne = `La moyenne n'est pas représentative de cette suite, les valeur maximal et minimal sont trop éloigné de celle-ci elle n'est donc pas représentative.`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":60,"value":"## Question 2 — à quoi ressemble la distribution ?\n\nLe premier Plot du semestre. Trois lignes, et il en dit plus que les cinq indicateurs d'au-dessus.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":40,"value":"Plot.plot({\n marks: [\n Plot.rectY(donnees, Plot.binX({ y: \"count\" }, { x: \"WINNER_PRIZE\" })),\n Plot.ruleY([0])\n ]\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":42,"value":"// Et maintenant en séparant les époques\nPlot.plot({\n marks: [Plot.dot(donnees, { x: \"YEAR\", y: \"WINNER_PRIZE\" }), Plot.ruleY([0])]\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":44,"value":" **À toi**\n\n**Question 2.** Décris la distribution en une phrase.\nPuis explique **pourquoi le nuage du dessous rend la moyenne du dessus\nindéfendable**.\n *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":62,"value":"rDistribution = `...`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":167,"value":"## Question 2 bis — et si on séparait par tournoi ?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":169,"value":"Plot.plot({\n width: 900,\n color: { legend: true },\n y: { grid: true },\n marks: [\n Plot.line(\n donnees.filter((d) => d.WINNER_PRIZE != null && d.YEAR >= 1990),\n { x: \"YEAR\", y: \"WINNER_PRIZE\", stroke: \"TOURNAMENT\" }\n ),\n Plot.ruleY([0])\n ]\n})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":171,"value":"**Regarde Roland-Garros.** Une courbe qui monte régulièrement pendant dix ans,\npuis **s'effondre d'un coup en 2002** — et se retrouve au niveau des trois autres\ntournois.\n\nTrois questions :\n\n1. Avant 2002, combien de fois Roland-Garros vaut-il Wimbledon ? Et après ?\n2. Est-ce que les organisateurs ont vraiment divisé le chèque par six ?\n3. Alors qu'est-ce qui a changé en France, le 1er janvier 2002 ?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":173,"value":"// Le rapport avant / après, à calculer\nrg = donnees.filter(\n (d) => d.TOURNAMENT === \"French Open\" && d.WINNER_PRIZE != null\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":238,"value":" *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":175,"value":"rParTournoi = `Avant 2002 Roland-Garros`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":65,"value":"## Le nettoyage — ce qu'on peut réparer, et ce qu'on ne peut pas","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":68,"value":"// Combien de valeurs distinctes dans la colonne \"surface\" ?\nd3.rollup(\n donnees,\n (v) => v.length,\n (d) => d.TOURNAMENT_SURFACE\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":70,"value":" **À toi**\n\nHuit valeurs. Pour **trois** surfaces réelles : terre battue, gazon, dur.\n\n`Rebound Ace`, `Plexicushion Prestige` et `DecoTurf` sont des **noms de marque**\nde revêtements durs.\n\n**À toi** : écris une fonction `surface(s)` qui ramène les huit valeurs à quelque\nchose d'exploitable. Puis compte.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":73,"value":"// À toi de l'écrire. Elle doit renvoyer \"Terre battue\", \"Gazon\", \"Dur\"\n// — ou autre chose, si la valeur ne dit pas la surface.\nsurface = (s) => {\n return \"?\";\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":75,"value":"propre = donnees.map((d) => ({ ...d, surface: surface(d.TOURNAMENT_SURFACE) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":79,"value":"// Le résultat de TA fonction — c'est lui qui part dans le résumé\nrepartitionSurfaces = d3\n .rollups(\n propre,\n (v) => v.length,\n (d) => d.surface\n )\n .sort((a, b) => d3.descending(a[1], b[1]))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":81,"value":"// De quelles finales s'agit-il ?\npropre.filter((d) => d.surface === \"Inconnu\")","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":87,"value":"Tu obtiens **25 lignes « Inconnu »**. Regarde de quelles finales il s'agit :\nmême tournoi, années consécutives.\n\n**La question du TP** : que fais-tu de ces 25 lignes ?\nTu les devines ? Tu les jettes ? Tu les gardes en « Inconnu » ? Justifie.\n *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":89,"value":"rNettoyage = `...`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":91,"value":"## Question 3 — absolu ou relatif\nVu dans le TP4, où elle aura une carte.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":94,"value":"## Question 4 — corrélation ou causalité ?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":96,"value":"d3.rollup(\n donnees,\n (v) => v.length,\n (d) => d.WINNER_LEFT_OR_RIGHT_HANDED\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":98,"value":"new Set(propre.map((d) => d.surface)).size < 2\n ? md`⚠️ **Écris d'abord ta fonction \\`surface()\\`**, plus haut. Ce graphique\n sépare les titres par surface : sans elle, il n'y a qu'une colonne.`\n : Plot.plot({\n x: { label: \"Surface\" },\n y: { label: \"Titres\" },\n color: { legend: true },\n marks: [\n Plot.barY(\n propre,\n Plot.groupX(\n { y: \"count\" },\n { x: \"surface\", fill: \"WINNER_LEFT_OR_RIGHT_HANDED\" }\n )\n ),\n Plot.ruleY([0])\n ]\n })","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":100,"value":"$46","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":102,"value":"rCorrelation = `\n1. Ce que la donnée montre —\n\n2. Ce qu'elle ne montre pas —\n\n3. Le fichier qu'il me faudrait — il faudrait un fichier montrant le nombre total de participant.\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":104,"value":"## Question 5 — d'où sort cette donnée ?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":106,"value":"// Combien de valeurs manquantes par colonne ?\nObject.fromEntries(\n Object.keys(donnees[0]).map((k) => [\n k,\n donnees.filter((d) => d[k] == null).length\n ])\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":108,"value":"// Les années où le classement ATP est renseigné\nd3.extent(\n donnees.filter((d) => d.WINNER_ATP_RANKING != null),\n (d) => d.YEAR\n)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":110,"value":"$47","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":112,"value":"rSource = `\nQui l'a produite — wonduk sur Kaggle\n\nQuand — il y a 4 ans\n\nQui est compté — On compte le nombre de vainqueur des différents tournois de tennis avec les spécifisités des tournois\n\nQui manque —\n\nMa confiance dans ce fichier, et pourquoi —\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":114,"value":"## Synthèse et journal IA","pinned":true,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":118,"value":"### Synthèse\n\nSi tu devais publier un graphique à partir de ce fichier demain, qu'est-ce que\ntu écrirais **sous** le graphique pour que le lecteur sache à quoi s'en tenir ?\n\nTrois lignes suffisent.\n\n *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":120,"value":"synthese = ``","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":122,"value":"## Journal IA\n\nÀ remplir **même si tu n'as rien utilisé** — écris-le alors.\nSans ce bloc, le rendu n'est pas évalué.\n1. Quels outils / quels prompts\n2. Ce que ça m'a apporté\n3. Ce que j'ai dû corriger\n\n *Ta réponse, dans la cellule ci-dessous.*","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":127,"value":"journalIA = `\n1. Quels outils / quels prompts —\n\n2. Ce que ça m'a apporté —\n\n3. Ce que j'ai dû corriger —\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":130,"value":"# Vérification et rendu\n\nLa seule cellule qui connaît toutes les autres. Si tu renommes une réponse, c'est ici — et nulle part ailleurs — qu'il faut la corriger.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":133,"value":"QUESTIONS = [\n [\"Nature des variables\", rNature],\n [\"Q1 · La moyenne ment-elle ?\", rMoyenne],\n [\"Q2 · La distribution\", rDistribution],\n [\"Q2 bis · La rupture de 2002\", rParTournoi],\n [\"Le nettoyage · les 25 « Inconnu »\", rNettoyage],\n [\"Q4 · Corrélation ou causalité ?\", rCorrelation],\n [\"Q5 · D'où sort cette donnée ?\", rSource],\n [\"Synthèse\", synthese],\n [\"Journal IA\", journalIA]\n]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":136,"value":"// Ce qu'il te reste à remplir\nmanques = {\n // une amorce laissée telle quelle ne compte pas comme une réponse\n const rempli = (s) =>\n (s ?? \"\").split(\"\\n\").some((l) => l.trim() && !/[—:]\\s*$/.test(l.trim()));\n\n const trous = [\n ...QUESTIONS.filter(([, texte]) => !rempli(texte)).map(([nom]) => nom),\n ...[\n [\"ex1\", ex1],\n [\"ex2\", ex2],\n [\"ex3\", ex3]\n ]\n .filter(([, v]) => v == null)\n .map(([n]) => `l'exercice ${n}`),\n // une fonction qui renvoie toujours la même chose n'a pas été écrite\n ...(new Set(propre.map((d) => d.surface)).size < 2\n ? [\"la fonction surface()\"]\n : [])\n ];\n\n return trous.length\n ? md`⚠️ **${trous.length} élément(s) à compléter** : ${trous.join(\" · \")}`\n : md`✅ **Ton rendu est complet.** Dépose le lien de ce notebook.`;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":141,"value":"---\n# Synthèse des réponses","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":139,"value":"// Ton rendu, tel qu'il sera lu\nrendu = md`${[\n ...QUESTIONS.map(\n ([nom, texte]) => `### ${nom}\\n\\n${(texte ?? \"\").trim() || \"_(à remplir)_\"}`\n ),\n `---`,\n `### Le code`,\n `| | Résultat |\\n|---|---|\\n` +\n [\n [\"ex1\", ex1],\n [\"ex2\", ex2],\n [\"ex3\", ex3]\n ]\n .map(([n, v]) => `| \\`${n}\\` | ${apercu(v)} |`)\n .join(\"\\n\") +\n `\\n| \\`surface()\\` | ` +\n repartitionSurfaces.map(([s, n]) => `${s} ${n}`).join(\" · \") +\n ` |`\n].join(\"\\n\\n\")}`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":259,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":255,"value":"// De quoi rendre un résultat de code lisible dans le résumé\napercu = (v) => {\n if (v == null) return \"_(à faire)_\";\n if (v instanceof Map) return `Map de ${v.size} entrées`;\n if (Array.isArray(v))\n return v.length <= 3\n ? \"`\" + JSON.stringify(v) + \"`\"\n : `tableau de ${v.length} éléments`;\n return \"`\" + String(v).slice(0, 70) + \"`\";\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":182,"value":"import { aide } from \"@mmi-montbeliard/antiseche-observable-javascript-et-plot\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W48","stdlib":"1"}} 45:"$44:body"