Observable Notebooks: Fast data exploration and prototypingObservable’s reactive JavaScript notebooks are uniquely suited for interactive data visualization, animation, learning, and experimentation. Plot.plot({ padding: 0, color: { pivot: d3.mean(seattle, d => d.temp_max), legend: true, scheme: "BuRd" }, y: {tickFormat: Plot.formatMonth("en", "short")}, marks: [ Plot.cell(seattle, Plot.group({fill: "max"}, { x: (d) => d.date.getUTCDate(), y: (d) => d.dat
