40:null 41:["$","title",null,{"children":"TP 2 — Interroger un jeu de données | Henrymerlin Pro | Observable"}] 47:T40d, **À toi** **65 titres sur 291 sont remportés par des gauchers — 22 %.** Or les gauchers représentent environ 10 % de la population. **Question 4.** Peux-tu conclure que les gauchers sont avantagés au tennis ? Écris ta réponse en trois temps : 1. ce que la donnée montre ; 2. ce qu'elle **ne montre pas** ; 3. quel autre fichier il te faudrait pour trancher. *Ta réponse, dans la cellule ci-dessous.*48:T435, **À toi** **Question 5.** Quatre sous-questions, celles du CM2 — puis une conclusion. Et une consigne de plus, qui compte autant que les quatre : **Ce fichier vient de quelque part. Va voir.** Cherche son nom sur le web, ouvre la page d'où il a été téléchargé, et lis-la — *toute*, y compris les encadrés qu'on saute d'habitude. Puis dis ce que la page t'apprend **que le fichier ne dit pas**. *Ta réponse, dans la cellule ci-dessous.*49:[{"id":"216416811cf95995a709448d9efffe2dab30020948a745d368123b68781591a6cf33e5ac5e3e81e8fe9f70a27f7b4dc447a02eaa266637941e7591e9fb20b295","href":"https://static.observableusercontent.com/files/216416811cf95995a709448d9efffe2dab30020948a745d368123b68781591a6cf33e5ac5e3e81e8fe9f70a27f7b4dc447a02eaa266637941e7591e9fb20b295","name":"Mens_Tennis_Grand_Slam_Winner.csv","type":"text/csv","lastModified":1786292750791.46,"size":23545}] 45:{"id":"17bcf606e5630c9f","slug":"tp-2-interroger-un-jeu-de-donnees","title":"TP 2 — Interroger un jeu de données","thumbnail":"f0c3151e9d57dae155113bd2e2da27339e69e676771c700c53fd5ccc0da4a10a","access_level":"public","create_time":"$D2026-09-08T11:39:55.302Z","update_time":"$D2026-09-08T15:07:44.174Z","view_time":null,"first_public_time":"$D2026-09-08T11:40:05.359Z","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":"e6603224befb452c","login":"merlinhenrypro","name":"Henrymerlin Pro","avatar_url":"https://avatars-next.observableusercontent.com/2518ecc561bf532f896f9077fb0439bc7e8d6ddd168f18fd8d94571579989ca1","tier":"starter_2024","bio":"","following":false},"version":272,"publish_version":272,"role":null,"authored":false,"authors":[{"type":"individual","id":"664d6bd63e17331c","login":"merlinhenrypro","name":"Henrymerlin Pro","avatar_url":"https://avatars-next.observableusercontent.com/2518ecc561bf532f896f9077fb0439bc7e8d6ddd168f18fd8d94571579989ca1","tier":null,"bio":"","following":false}],"members":[{"type":"team","id":"e6603224befb452c","login":"merlinhenrypro","name":"Henrymerlin Pro","avatar_url":"https://avatars-next.observableusercontent.com/2518ecc561bf532f896f9077fb0439bc7e8d6ddd168f18fd8d94571579989ca1","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 = null","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":149,"value":"// Le nombre de finales par tournoi\nex2 = null","pinned":true,"hidden":false,"mode":"ojs","author":"$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":"$undefined"},{"id":47,"value":"rNature = `...`","pinned":true,"hidden":false,"mode":"ojs","author":"$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":"$undefined"},{"id":56,"value":"rMoyenne = `...`","pinned":true,"hidden":false,"mode":"ojs","author":"$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":"$undefined"},{"id":175,"value":"rParTournoi = `...`","pinned":true,"hidden":false,"mode":"ojs","author":"$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":"$47","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":102,"value":"rCorrelation = `\n1. Ce que la donnée montre —\n\n2. Ce qu'elle ne montre pas —\n\n3. Le fichier qu'il me faudrait —\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$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":"$48","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":112,"value":"rSource = `\nQui l'a produite —\n\nQuand —\n\nQui est compté —\n\nQui manque —\n\nMa confiance dans ce fichier, et pourquoi —\n`","pinned":true,"hidden":false,"mode":"ojs","author":"$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":"$undefined"}],"files":"$W49","stdlib":"1"}} 46:"$45:body"