Inputs.table(olympians)
grouped = d3.groups(olympians, d => d.sport)
Inputs.table(grouped)
grouped1 = d3.groups(olympians, d => d.sport).map(([, olympians]) => {
const keys = Object.keys(olympians[0]);
return Object.fromEntries(keys.map(key => [key, olympians.map(d => d[key])]));
})
Inputs.table(grouped1, {layout: "fixed"})
data = d3.groups(olympians, d => d.sport).map(([sport, olympians]) => {
const keys = Object.keys(olympians[0]);
const {sport: _, ...columns} = Object.fromEntries(keys.map(key => [key, olympians.map(d => d[key])]));
return {sport, ...columns};
})
Inputs.table(data, {layout: "fixed"})
columns = Object.keys(data[0]).map(key => {
let d = data[0][key];
const isArray = Array.isArray(d);
if (isArray) d = d[0];
const type = d instanceof Date ? "date" : typeof d;
return ({key, isArray, type});
})
arrayFormats = ({
string: arr => [...new Set(arr)].join(", "),
date: arr => d3.extent(arr).map(d => d3.timeFormat("%x")(d)).join(" – "),
number: arr => d3.extent(arr).join(" – "),
object: arr => arr.toString()
})
format = Object.fromEntries(
columns.map(({ key, isArray, type }) => [
key,
isArray ? arrayFormats[type] : (d) => d.toString()
])
)
Inputs.table(data, {format, layout: "fixed", columns: ["sport", "sex", "date_of_birth", "height", "weight", "gold"]})
histogram = (key) => (arr, i, parentArr) =>
Plot.plot({
width: 80,
height: 20,
axis: null,
x: { domain: d3.extent(data.flatMap((d) => d[key])) },
marks: [
Plot.rectY(arr, Plot.binX({ y: "count" }, { inset: 0 })),
Plot.ruleY([0], { stroke: "#eee" })
]
})
arrayFormats1 = ({
string: (key) => (arr) => [...new Set(arr)].join(", "),
date: histogram,
number: histogram,
object: (key) => (arr) => arr.toString()
})
format1 = Object.fromEntries(
columns.map(({ key, isArray, type }) => [
key,
isArray ? arrayFormats1[type](key) : (d) => d.toString()
])
)
Inputs.table(data, {
format: format1,
layout: "fixed",
columns: ["sport", "sex", "date_of_birth", "height", "weight", "gold"]
})
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