The avatar for @juba
Julien Barnier
Trying to do things.
Public
Edited
Jun 8, 2023
1
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Plot.plot({
marks: [Plot.dot(df2, { x: "Date", y: "value" })]
})
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df2 = Array.from(df).map((d) => {
d.Date = new Date(d.Date);
return d;
})
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new Date(1609488000000)
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df.schema.fields[0].type.toString().startsWith("abc")
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df.schema.fields
.filter((d) => d.type.toString().startsWith("Timestamp"))
.map((d) => d.name)
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Array.from(df)
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df = arrow.tableFromIPC(await FileAttachment("out.arrow").arrayBuffer())
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Plot.plot({
marks: [Plot.dot(rainfall, { x: "date", y: "precipitation" })]
})
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Array.from(rainfall)
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rainAmounts = Float32Array.from({ length: LENGTH }, () =>
Number((Math.random() * 20).toFixed(1))
)
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rainDates = Array.from(
{ length: LENGTH },
(_, i) => new Date(Date.now() - 1000 * 60 * 60 * 24 * i)
)
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arrow = require("apache-arrow")
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