Dataviz at Office for National Statistics (UK)
Public
Edited
Oct 30, 2023
compressCsvToJson = import("https://cdn.skypack.dev/compress-csv-to-json")
compressedData = compressCsvToJson.compressData(sampleData, [
{ key: "oa21cd", colType: "interned_string" },
{ key: "lsoa21cd", colType: "string" },
{ key: "msoa21cd", colType: "string" },
{ key: "ltla21cd", colType: "string" },
{ key: "lng", colType: 10000 },
{ key: "lat", colType: 10000 },
{ key: "population", colType: "int" }
])
decompressedData = compressCsvToJson.decompressData(
compressedData,
(columnData, rowNumber) => ({
oa21cd: columnData[0][rowNumber],
lsoa21cd: columnData[1][rowNumber],
msoa21cd: columnData[2][rowNumber],
ltla21cd: columnData[3][rowNumber],
lng: columnData[4][rowNumber],
lat: columnData[5][rowNumber],
population: columnData[6][rowNumber]
})
)
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