Data visualization software enginner: working to make visualization more accessible, equitable, and impactful.
Unlisted
Edited
Dec 6
Plot.rectY(fakeData, {
x: "date",
y: "value",
interval: "day"
}).plot({
title:
"This is the ideal output Plot, but I don't actually know what the interval may be"
})
viewof range = Inputs.range([10, 1000], { label: "Num days", step: 1 })
Plot.rectY(
fakeData,
Plot.binX(
{ y: "sum" },
{
x: "date",
y: "value",
tip: true
}
)
).plot({
title:
"This is the ideal output Plot, but I don't actually know what the interval may be"
})
Plot.barY(fakeData, {
x: "date",
y: "value"
}).plot({ title: "With BarY, You can't see the dates that are missing!" })
Plot.rectY(
fakeData,
Plot.binX(
{ y: "sum" },
{
x: "date",
y: "value",
thresholds: fakeData.length
}
)
).plot({
title: 'Pass a number to threshold, but it\'s only a "hint"',
subtitle:
"Calculating the number of thresholds from the input data will also be tricky with additional encodings like color and facets"
})
Plot.rectY(
fakeData,
Plot.binX(
{ y: "sum" },
{
x: "date",
y: "value",
thresholds: fakeData.map((d) => d.date),
// Even if I add another value the last date gets cut off
// thresholds: [
// ...fakeData.map((d) => d.date),
// d3.max(fakeData, (d) => d.Date)
// ]
}
)
).plot({
title:
"Passing in an array of thresholds yields different width bars and also cuts off the last one?",
subtitle:
"Calculating the number of thresholds from the input data will also be tricky with additional encodings like color and facets"
})
dates = d3.sort(Plot.valueof(fakeData, "date"))
Type JavaScript, then Shift-Enter. Ctrl-space for more options. Arrow ↑/↓ to switch modes.
d3.pairs(
d3.sort(Plot.valueof(fakeData, "date")),
(a, b) => Math.round((b - a) / 60000) // minutes
)
{
const m = d3.min(
d3.pairs(
d3.sort(Plot.valueof(fakeData, "date")),
(a, b) => Math.round((b - a) / 60000) // minutes
)
);
const interval =
m < 2
? d3.utcMinute
: m < 10
? d3.utcMinute.every(m)
: m < 60
? d3.utcMinute.every(m)
: m < 23 * 60
? d3.utcHour.every(Math.round(m / 60))
: m < 23 * 60 * 7
? d3.utcDay
: m < 24 * 60 * 27
? d3.utcWeek
: m < 24 * 60 * 364
? d3.utcMonth
: d3.utcYear;
return Plot.rectY(fakeData, {
x: "date",
y: "value",
interval
}).plot({
title: "Fil's solution",
subtitle: "I think it works"
});
}
// Generate some fake data
fakeData = d3
.range(range)
.map((d) => {
const date = d3.utcDay.offset(d3.utcDay(), d);
const value = Math.random();
return { date, value };
})
.filter((d) => d.value > 0.2)
fakeData
Type Table, then Shift-Enter. Ctrl-space for more options.
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