data = {
var csv = await d3.csv('https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/data_correlogram.csv')
var data = []
csv.forEach(d => {
var x = d['']
delete d['']
for (let prop in d) {
var y = prop
var value = d[prop]
data.push({
x: x,
y: y,
value: +value
})
}
})
return data
}