cityData = {
const cityData = await d3.csv(
"https://data.cdc.gov/api/views/dxpw-cm5u/rows.csv",
({ PlaceName: city, Geolocation: loc, Population2010: pop }) => [
city,
+loc.replace(")", "").split(",")[1],
+loc.replace("(", "").split(",")[0],
+pop
]
);
return cityData.filter(d => d[3] > 500000).map(d => d.slice(0, 3));
}