I map 🗺️ & graph 📈 data 🈸
Chicago Crimes Arrow Data Vega-Lite API VizChicago Crimes Arrow Data Vega VizChicago Crimes EDAChicago Crimes Hexgrid MapChicago Crimes RidgelineChicago Crimes Apache Arrow HypergridChicago Crimes by DayChicago Crimes SankeyChicago Crimes Sunburst, 2018Chicago Crimes by LocationChicago Crimes by Ward FlubberChicago Crimes in PerspectiveChicago Crimes by TypeChicago Crimes HeatmapLeaflet Pixi Overlay
Chicago Crimes Treemap
treemap = data => d3.treemap()
.size([width, height])
.padding(1)
.round(true)
(d3.hierarchy(data)
.sum(d => d.size)
.sort((a, b) => b.height - a.height || b.value - a.value))
format = d3.format(",d")
color = d3.scaleOrdinal().range(d3.schemeCategory10)
crimeData = groupByField(dataTable, 'PrimaryType')
flares = {
return {
name: 'flare',
children: Object.keys(crimeData).map(crimeType => {
return {name: crimeType.toLowerCase(), children: groupChildren(crimeData[crimeType], 'info')};
})
};
}
function groupChildren(arrayData, groupField) {
const groups = {};
arrayData.map(data => {
const info = data[groupField].toLowerCase();
if (!groups[info]) {
groups[info] = [];
}
groups[info].push(data);
});
return Object.keys(groups).map(key => {
return {name: key, size: groups[key].length};
});
}
arrow = require('apache-arrow@0.3.1')
import {loadData} from '@randomfractals/apache-arrow'
import {groupByField} from '@randomfractals/chicago-crimes-by-type'
d3 = require("https://d3js.org/d3.v5.min.js")
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
