堆栈内存溢出
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遍历从表中恢复的数据

[英]Iterate through data recovered from a table

 原文  2018-03-08 08:06:03  8   1    javascript/ loops/ nested-loops

问题描述

我有一个像这样的数据结构： 

map [ [ 'Polio',
    'Difterite',
    'Tetano',
    'Pertosse',
    'Epatite B',
    'Hib',
    'Morbillo',
    'Parotite',
    'Rosolia',
    'Varicella',
    'Meningococco C coniugato',
    'Pneumococco coniugato' ],
  [ 'Piemonte',
    'Valle D\'Aosta',
    'Lombardia',
    'Prov Auton Bolzano',
    'Prov Auton Trento',
    'Veneto',
    'Friuli Venezia Giulia',
    'Liguria',
    'Emilia Romagna',
    'Toscana',
    'Umbria',
    'Marche',
    'Lazio',
    'Abruzzo',
    'Molise',
    'Campania',
    'Puglia',
    'Basilicata',
    'Calabria',
    'Sicilia',
    'Sardegna',
    'MEDIA NAZIONALE' ],
  [ '95,16',
    '94,90',
    '95,43',
    '94,87',
    '94,62',
    '93,80',
    '88,72',
    '88,72',
    '88,72',
    '0,85',
    '86,35',
    '91,32' ],
  [ '93,40',
    '92,92',
    '93,60',
    '92,82',
    '92,63',
    '92,63',
    '82,25',
    '82,15',
    '82,15',
    '0,39',
    '83,12',
    '88,46' ],
  [ '93,48',
    '93,37',
    '93,63',
    '93,38',
    '93,20',
    '92,95',
    '90,32',
    '90,21',
    '90,24',
    '0,83',
    '85,77',
    '86,77' ],
  [ '87,45',
    '87,49',
    '87,50',
    '87,45',
    '87,11',
    '87,17',
    '68,84',
    '68,80',
    '68,80',
    '4,16',
    '63,12',
    '81,67' ],
  [ '92,83',
    '92,66',
    '93,10',
    '92,52',
    '92,13',
    '91,95',
    '84,55',
    '84,38',
    '84,45',
    '3,04',
    '83,13',
    '87,34' ],
  [ '91,27',
    '91,29',
    '91,75',
    '91,26',
    '90,80',
    '90,62',
    '87,15',
    '87,05',
    '87,08',
    '84,03',
    '90,54',
    '84,64' ],
  [ '90,37',
    '90,28',
    '90,78',
    '90,22',
    '89,66',
    '89,59',
    '82,01',
    '81,85',
    '81,91',
    '66,95',
    '84,06',
    '81,02' ],
  [ '94,60',
    '94,50',
    '94,57',
    '94,49',
    '94,30',
    '93,92',
    '81,48',
    '81,32',
    '81,49',
    '10,57',
    '79,65',
    '92,80' ],
  [ '94,03',
    '93,75',
    '94,28',
    '93,63',
    '93,49',
    '92,93',
    '87,23',
    '87,00',
    '87,00',
    '0,90',
    '87,40',
    '91,53' ],
  [ '94,98',
    '94,95',
    '95,23',
    '94,96',
    '94,81',
    '94,57',
    '88,72',
    '88,67',
    '88,69',
    '78,21',
    '90,85',
    '92,94' ],
  [ '93,90',
    '93,78',
    '93,96',
    '93,71',
    '93,43',
    '93,65',
    '87,51',
    '87,46',
    '87,46',
    '0,52',
    '85,72',
    '90,32' ],
  [ '92,02',
    '91,75',
    '92,13',
    '91,74',
    '91,65',
    '91,52',
    '79,90',
    '79,87',
    '79,87',
    '2,75',
    '76,86',
    '88,04' ],
  [ '95,26',
    '95,24',
    '95,25',
    '95,21',
    '95,20',
    '95,20',
    '84,47',
    '84,46',
    '84,46',
    '6,51',
    '68,16',
    '91,85' ],
  [ '95,72',
    '95,71',
    '95,72',
    '95,71',
    '95,71',
    '95,71',
    '84,23',
    '84,23',
    '84,23',
    '4,91',
    '65,43',
    '86,34' ],
  [ '94,32',
    '94,32',
    '94,32',
    '94,32',
    '94,32',
    '94,32',
    '77,38',
    '77,38',
    '77,38',
    '47,68',
    '68,09',
    '92,63' ],
  [ '91,34',
    '91,34',
    '91,34',
    '91,34',
    '91,36',
    '91,49',
    '80,76',
    '80,76',
    '80,76',
    '9,15',
    '50,04',
    '82,96' ],
  [ '93,80',
    '93,81',
    '93,81',
    '93,81',
    '93,80',
    '93,73',
    '84,15',
    '84,15',
    '84,15',
    '81,82',
    '77,32',
    '92,54' ],
  [ '97,83',
    '97,83',
    '97,83',
    '97,83',
    '97,83',
    '97,83',
    '90,25',
    '90,25',
    '90,25',
    '76,95',
    '85,83',
    '97,08' ],
  [ '95,32',
    '95,32',
    '95,32',
    '95,32',
    '95,32',
    '95,24',
    '84,38',
    '84,38',
    '83,71',
    '53,02',
    '67,90',
    '88,65' ],
  [ '91,94',
    '91,92',
    '91,92',
    '91,92',
    '91,92',
    '91,91',
    '79,20',
    '79,18',
    '79,18',
    '75,36',
    '60,48',
    '89,37' ],
  [ '95,05',
    '95,05',
    '95,07',
    '95,05',
    '95,06',
    '95,05',
    '87,67',
    '87,67',
    '87,67',
    '67,15',
    '83,59',
    '94,14' ],
  [ '93,43',
    '93,35',
    '93,56',
    '93,33',
    '93,20',
    '93,03',
    '85,29',
    '85,23',
    '85,22',
    '30,73',
    '76,62',
    '88,73' ] ]

也就是说，用于疾病的数组，用于区域的数组，以及用于表值的每一行的数组。

我想将这些数据转换为json对象，如下所示： 

json [ { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '93,40' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '93,48' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Autonoma Bolzano',
    coverage: '87,45' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Autonoma Trento',
    coverage: '92,83' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '91,27' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '90,37' },
  ...]

实际上，这些数据已从pdf中恢复，因此目的是重建表格 。

我知道这很简单，只需创建循环并进行迭代即可。

这是我的代码： 

for(var i = 0; i < map[0].length; i++) {
    for(var j = 2; j < map.length; j++) {
        for(var k = 0; k < map[2].length; k++) {
            var year = 2015;
            var country = "Italy";
            var vaccine = map[0][i];
            var region = map[2][j];
            var coverage = map[j][k];

            // create this json object
            var thisJson = {year: year, country: country, vaccine: vaccine, region: region, coverage: coverage};

            // push this element to final json object
            json.push(thisJson);
        }
    }
}

结果是： 

json [ { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Piemonte',
    coverage: '95,16' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Valle D\'Aosta',
    coverage: '94,90' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Lombardia',
    coverage: '95,43' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Bolzano',
    coverage: '94,87' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Prov Auton Trento',
    coverage: '94,62' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Veneto',
    coverage: '93,80' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Friuli Venezia Giulia',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Liguria',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Emilia Romagna',
    coverage: '88,72' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  { year: 2015,
    country: 'Italy',
    vaccine: 'Polio',
    region: 'Toscana',
    coverage: '0,85' },
  ... 2540 more items ]

显然，它不起作用。 索引一定存在我无法解决的问题。

1 个解决方案

解决方案1
 0 已采纳  2018-03-08 08:18:21

您可以使用shift删除第一个元素。 并使用reduce和forEach进行迭代。 

var diseases = data.shift(); /* Remove the first element and store it on variable */
var region = data.shift(); /* Remove the first element and store it on variable */
var year = 2015;
var country = 'Italy';

var result = data.reduce((c, v, i) => {
  v.forEach((o, k) => {
    c.push({year: year,country: country,vaccine: diseases[k],region: region[i],coverage: o});
  });
  return c;
}, []);

这是一个片段 

 var data = [ ['Polio', 'Difterite', 'Tetano', 'Pertosse', 'Epatite B', 'Hib', 'Morbillo', 'Parotite', 'Rosolia', 'Varicella', 'Meningococco C coniugato', 'Pneumococco coniugato' ], ['Piemonte', 'Valle D\\'Aosta', 'Lombardia', 'Prov Auton Bolzano', 'Prov Auton Trento', 'Veneto', 'Friuli Venezia Giulia', 'Liguria', 'Emilia Romagna', 'Toscana', 'Umbria', 'Marche', 'Lazio', 'Abruzzo', 'Molise', 'Campania', 'Puglia', 'Basilicata', 'Calabria', 'Sicilia', 'Sardegna', 'MEDIA NAZIONALE' ], ['95,16', '94,90', '95,43', '94,87', '94,62', '93,80', '88,72', '88,72', '88,72', '0,85', '86,35', '91,32' ], ['93,40', '92,92', '93,60', '92,82', '92,63', '92,63', '82,25', '82,15', '82,15', '0,39', '83,12', '88,46' ], ['93,48', '93,37', '93,63', '93,38', '93,20', '92,95', '90,32', '90,21', '90,24', '0,83', '85,77', '86,77' ], ['87,45', '87,49', '87,50', '87,45', '87,11', '87,17', '68,84', '68,80', '68,80', '4,16', '63,12', '81,67' ], ['92,83', '92,66', '93,10', '92,52', '92,13', '91,95', '84,55', '84,38', '84,45', '3,04', '83,13', '87,34' ], ['91,27', '91,29', '91,75', '91,26', '90,80', '90,62', '87,15', '87,05', '87,08', '84,03', '90,54', '84,64' ], ['90,37', '90,28', '90,78', '90,22', '89,66', '89,59', '82,01', '81,85', '81,91', '66,95', '84,06', '81,02' ], ['94,60', '94,50', '94,57', '94,49', '94,30', '93,92', '81,48', '81,32', '81,49', '10,57', '79,65', '92,80' ], ['94,03', '93,75', '94,28', '93,63', '93,49', '92,93', '87,23', '87,00', '87,00', '0,90', '87,40', '91,53' ], ['94,98', '94,95', '95,23', '94,96', '94,81', '94,57', '88,72', '88,67', '88,69', '78,21', '90,85', '92,94' ], ['93,90', '93,78', '93,96', '93,71', '93,43', '93,65', '87,51', '87,46', '87,46', '0,52', '85,72', '90,32' ], ['92,02', '91,75', '92,13', '91,74', '91,65', '91,52', '79,90', '79,87', '79,87', '2,75', '76,86', '88,04' ], ['95,26', '95,24', '95,25', '95,21', '95,20', '95,20', '84,47', '84,46', '84,46', '6,51', '68,16', '91,85' ], ['95,72', '95,71', '95,72', '95,71', '95,71', '95,71', '84,23', '84,23', '84,23', '4,91', '65,43', '86,34' ], ['94,32', '94,32', '94,32', '94,32', '94,32', '94,32', '77,38', '77,38', '77,38', '47,68', '68,09', '92,63' ], ['91,34', '91,34', '91,34', '91,34', '91,36', '91,49', '80,76', '80,76', '80,76', '9,15', '50,04', '82,96' ], ['93,80', '93,81', '93,81', '93,81', '93,80', '93,73', '84,15', '84,15', '84,15', '81,82', '77,32', '92,54' ], ['97,83', '97,83', '97,83', '97,83', '97,83', '97,83', '90,25', '90,25', '90,25', '76,95', '85,83', '97,08' ], ['95,32', '95,32', '95,32', '95,32', '95,32', '95,24', '84,38', '84,38', '83,71', '53,02', '67,90', '88,65' ], ['91,94', '91,92', '91,92', '91,92', '91,92', '91,91', '79,20', '79,18', '79,18', '75,36', '60,48', '89,37' ], ['95,05', '95,05', '95,07', '95,05', '95,06', '95,05', '87,67', '87,67', '87,67', '67,15', '83,59', '94,14' ], ['93,43', '93,35', '93,56', '93,33', '93,20', '93,03', '85,29', '85,23', '85,22', '30,73', '76,62', '88,73' ] ]; var diseases = data.shift(); /* Remove the first element */ var region = data.shift(); /* Remove the first element */ var year = 2015; var country = 'Italy'; var result = data.reduce((c, v, i) => { v.forEach((o, k) => { c.push({year: year,country: country,vaccine: diseases[k],region: region[i],coverage: o}); }); return c; }, []); console.log(result);

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