data = d3.json("https://data.cityofnewyork.us/resource/jb7j-dtam.json")
d3.mean(data, (d) => +d.age_adjusted_death_rate)
columns = ["deaths", "death_rate", "age_adjusted_death_rate"]
columns.map((column) => {
const values = d3.map(data, (d) => +d[column]);
return {
column,
count: d3.count(values),
min: d3.min(values),
max: d3.max(values),
mean: d3.mean(values),
deviation: d3.deviation(values)
};
})
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.
