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Dec 14, 2021
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Analyzing Time Series Data
What’s different? Analyzing Time-Series Forecast PerformanceWhat caused this? An analysis adventureDiscovering Date PatternsJust because it’s Time, it doesn’t have to be a Line
Correlation over time
Analyzing Time Series Data Interactive WorkshopEIA Electricity DataNOAA Hourly Weather DataIEEE VIS 2021 DemoThree Simple, Flexible Tools: Color, Faceting, and Order
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Data Analysis
Examples for Data Analysts
Product page
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// Join temperature data onto our data to analyze its effect
data = aq
.from(demand)
.join(aq.from(temperature_with_features))
.rename({ air_temp: "temp", value: "demand" })
.select(aq.not("id", "name"))
.objects()

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// Storing the labels separately
labels = ({
hour: new Map(_.range(24).map((d) => [d, d + ":00"])),
day: new Map(weekdays.map((d, i) => [i, d])),
month: new Map(months.map((d, i) => [i, d])),
quarter: new Map([
[0, "Q1: Jan - Mar"],
[1, "Q2: Apr - Jun"],
[2, "Q3: Jul - Sep"],
[3, "Q4: Oct - Dec "]
]),
weekend: new Map([
[0, "Weekday"],
[1, "Weekend"]
]),
week: new Map(_.range(54).map((d) => [d, d])),
daytime: new Map([
[0, "Work hours"],
[1, "Evening"],
[2, "Night"]
]),
feel: new Map([
[0, "cold"],
[1, "moderate"],
[2, "hot"]
])
})
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// Load the Temporal API using a Polyfill
Temporal = {
const TemporalLib = await require("@js-temporal/polyfill@0.2.0");
return TemporalLib.Temporal;
}
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import {months, weekdays} from "@observablehq/discovering-date-patterns"
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import {Legend, Swatches} from "@d3/color-legend"
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import {authorship, altauthorship, navigation, workshop} from "@observablehq/timeseries-assets"
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import {addTooltips} from "@mkfreeman/plot-tooltip"
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One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.
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