The avatar for @ericmauviere
Éric Mauvière
Statistician, map-maker, dataviz consultant and trainer, Observable ambassador & R instructor. I enjoy explaining things i love in detail, the most clearly i can, and building live analytical opendataflows. @ericmauviere
Published
Edited
May 17, 2021
1 fork
4 stars
1
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agregats = {
//dézippage et extraction des données valides (France métro, non nulles...), puis
/*const dt0 = aq.fromCSV( await fetch_txtfile_from_zip(insee_csv_zipped,
null, //extrait le 1er fichier trouvé dans le zip
{proxy: true}), //utilise un proxy pour ouvrir l'accès CORS
{delimiter: ";"} ) */
//const dt0 = ( await aq.loadCSV(insee_csv_url) )
const dt0 = ( aq.fromCSV(await FileAttachment('retro11.csv').text(), {delimiter:';'}) )
.filter(d => d.LNCONJ == "TOTAL"
&& d.CHAMP =='FM' // France métropolitaine seulement (série depuis 1946)
&& d.NBMAR !== 'so' // éliminer les valeurs manquantes, sans objet
&& d.NBMAR !== null)
const dt = dt0
.groupby('ANNEE_1946_2018','MOIS')
.rollup({NBMAR: op.sum('NBMAR')}) //agrégation sur tous les types de mariage : HF, HH et FF
const dt1 = dt.filter(d => d.MOIS == 'AN') // extraction du total annuel
.select({'ANNEE_1946_2018': 'AN', 'NBMAR': 'TOT'}) //renommage de variables
.reify() // ****
const dt2 = dt.filter(d => d.MOIS != 'AN') // extraction des données mensuelles
.select({'ANNEE_1946_2018': 'AN'}, 1, 2)

const dt3 = dt2.join_left(dt1) //***jointure pour calculer le % dans le total annuel
.derive({ date: d => op.utcdatetime(d.AN, d.MOIS, 0),
PCT : d => 100 * d.NBMAR / d.TOT})
.relocate('PCT', {after: 3})
.orderby(0, 1)
return {total_annuel: dt1, detail_mensuel: dt3, detail_mensuel_typmar: dt0}
}
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