md`## Plot Specs`
md`## Data`
hourly_big3.orderby(aq.desc('date')).view(3)
hourly_big3 = {
aq.addFunction(
'parse_ts',
ts => {
const date = new Date(ts);
const year = date.getUTCFullYear();
const month = date.getUTCMonth();
const day = date.getUTCDate();
const hour = date.getUTCHours();
return op.datetime(year, month, day, hour);
},
{
override: true
}
);
var raw = await aq.loadArrow(
await FileAttachment('hourly_big3_20210503@5.arrow').url()
);
raw = raw.derive({ date: d => op.parse_ts(d.date) });
return raw;
}
daily_big3.orderby(aq.desc('date')).view(3)
daily_big3 = {
aq.addFunction(
'parse_ts',
ts => {
const date = new Date(ts);
const year = date.getUTCFullYear();
const month = date.getUTCMonth();
const day = date.getUTCDate();
const hour = date.getUTCHours();
return op.datetime(year, month, day, hour);
},
{
override: true
}
);
var raw = await aq.loadArrow(
await FileAttachment('daily_big3_20210514.arrow').url(),
{ autoType: true }
);
raw = raw.derive({ date: d => op.parse_ts(d.date) }, { before: 'trips' });
return raw;
}
weather_big3.orderby(aq.desc('datetime')).view(3)
md`## Libraries`
_ = require('lodash')
import { aq, op } from '@uwdata/arquero'
vegalite = require('vega-lite@v5.1')
import { vl } from '@vega/vega-lite-api-v5'
d3 = require("d3@6").then(_d3 => (_d3.timeFormatDefaultLocale(locale), _d3))
locale = fetch(
"https://unpkg.com/d3-time-format@2/locale/de-DE.json"
).then(res => res.json())
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