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!(async function(){
var data = await util.getFile('mnist_train.csv')
data.forEach(d => {
delete d['']
d.i = +d.i
})
var sel = d3.select('.umap-digit').html('')
.at({role: 'graphics-document', 'aria-label': `Color coded UMAP of MNIST 1s showing that increasing privacy will misclassify slanted and serif “1” digits first.`})
var umapSel = sel.append('div')
.append('div.chart-title').text('Sensitivity to higher privacy levels →')
.parent()
.st({maxWidth: 600, margin: '0 auto', marginBottom: 10})
.append('div')
var buttonSel = sel.append('div.digit-button-container')
.appendMany('div.button', d3.range(10))
.text(d => d)
.on('click', d => drawDigitUmap(d))
drawDigitUmap(1)
async function drawDigitUmap(digit){
buttonSel.classed('active', d => d == digit)
// var umap = await util.getFile(`umap_train_${digit}.npy`)
var umap = await util.getFile(`cns-cache/umap_train_784_${digit}.npy`)
util.getFile(`cns-cache/mnist_train_raw_${digit}.npy`)
var digitData = data
.filter(d => d.y == digit)
.map((d, i) => ({
rawPos: [umap.data[i*2 + 0], umap.data[i*2 + 1]],
priv_order: d.priv_order,
y: d.y,
i: d.i
}))
var c = d3.conventions({
sel: umapSel.html(''),
width: 600,
height: 600,
layers: 'sdc',
margin: {top: 45}
})
var nTicks = 200
c.svg.appendMany('rect', d3.range(nTicks))
.at({
height: 15,
width: 1,
fill: i => d3.interpolatePlasma(i/nTicks),
})
.translate(i => [c.width/2 - nTicks/2 - 20 + i, -c.margin.top + 5])
c.x.domain(d3.extent(digitData, d => d.rawPos[0]))
c.y.domain(d3.extent(digitData, d => d.rawPos[1]))//.range([0, c.height])
digitData.forEach(d => d.pos = [c.x(d.rawPos[0]), c.y(d.rawPos[1])])
c.sel.select('canvas').st({pointerEvents: 'none'})
var divSel = c.layers[1].st({pointerEvents: 'none'})
var ctx = c.layers[2]
digitData.forEach(d => {
ctx.beginPath()
ctx.fillStyle = d3.interpolatePlasma(1 - d.priv_order/60000)
ctx.rect(d.pos[0], d.pos[1], 2, 2)
ctx.fill()
})
var p = 10
c.svg
.append('rect').at({width: c.width + p*2, height: c.height + p*2, x: -p, y: -p})
.parent()
.call(d3.attachTooltip)
.on('mousemove', function(){
var [px, py] = d3.mouse(this)
var minPoint = _.minBy(digitData, d => {
var dx = d.pos[0] - px
var dy = d.pos[1] - py
return dx*dx + dy*dy
})
var s = 4
var c = d3.conventions({
sel: ttSel.html('').append('div'),
width: 4*28,
height: 4*28,
layers: 'cs',
margin: {top: 0, left: 0, right: 0, bottom: 0}
})
// <div>Label: ${minPoint.y}</div>
// ttSel.append('div').html(`
// <div>Privacy Rank ${d3.format(',')(minPoint.priv_order)}</div>
// `)
ttSel.classed('tooltip-footnote', 0).st({width: 112})
util.drawDigit(c.layers[0], +minPoint.i, s)
})
if (digit == 1){
var circleDigits = [
{r: 40, index: 1188},
{r: 53, index: 18698},
{r: 40, index: 1662}
]
circleDigits.forEach(d => {
d.pos = digitData.filter(e => e.priv_order == d.index)[0].pos
})
c.svg.append('g')
.appendMany('g', circleDigits)
.translate(d => d.pos)
.append('circle')
.at({r: d => d.r, fill: 'none', stroke: '#fff', strokeDasharray: '2 3', strokeWidth: 1})
var {r, pos} = circleDigits[0]
divSel
.append('div').translate(pos)
.append('div').translate([r + 20, -r + 10])
.st({width: 150, fontWeight: 300, fontSize: 14, color: '#fff', xbackground: 'rgba(255,0,0,.2)', lineHeight: '1.2em'})
.text('Increasing privacy will misclassify slanted and serif “1” digits first')
}
}
})()
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