md`# Assignment 1`
d3 = require("d3@5")
topojson = require("topojson-client@3")
states = FileAttachment("US_state_1850@1.json").json()
states_features = topojson.feature(states, states.objects.US_state_1850)
csv_data = d3.csvParse(
await FileAttachment("nhgis0003_ds9_1850_state(in)@1.csv").text(),
({ STATENAM, ADK001, ADK006 }) => [STATENAM, [+ADK001, +ADK006 / +ADK001]]
)
data = Object.assign(new Map(csv_data), {
title: ["Horses", "Sheep per Horse"]
})
sheepPerHorse = Array.from(data.values(), d => d[1])
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.
