UW iSchool Course INFO 474: focused on designing and building visualizations to better understand and communicate about pressing issues.
Observable BasicsFoundations PracticeData Basics: Loading + ManipulatingD3 Activity 1D3 Activity 1 (complete)D3 Activity IID3 Activity II (complete)Graphical Encodings Design ExerciseVisual CognitionVisual Cognition CompleteTreemap ActivityTreemap Activity (complete)D3 Chart ReviewD3 Chart Review (complete)Election Map (complete)Election MapD3 Small MultiplesInteraction TechniquesInteraction Techniques (complete)Scroll StarterScrolling (complete)
D3 Small Multiples (complete)
import { select } from "@jashkenas/inputs"
viewof metric = select(["type", "degree_length"])
by_type_chart = {
const div = d3.create("div");
const charts = div
.selectAll("div")
.data(by_type_data) // this will have only 4 elements in it
.join("div")
.style("height", chart_height + "px")
.style("width", chart_width + "px")
.attr("class", "chart-container")
.call(drawChart);
return div.node();
}
chart_height = 300
chart_width = 400
x = d3
.scaleLinear()
.domain(d3.extent(chart_data, d => d.x))
.range([margin.left, chart_width - margin.right])
y = d3
.scaleLinear()
.domain(d3.extent(chart_data, d => d.y))
.range([chart_height - margin.bottom, margin.top])
tickFormatter = d3.format("$.2s")
xAxis = g =>
g
.attr("transform", `translate(0,${chart_height - margin.bottom})`)
.call(d3.axisBottom(x).tickFormat(tickFormatter))
yAxis = g =>
g
.attr("transform", `translate(${margin.left},0)`)
.call(d3.axisLeft(y).tickFormat(tickFormatter))
xLabel = ele =>
ele
.text("In State Tuition")
.attr("x", (x.range()[1] - x.range()[0]) / 2)
.attr("y", chart_height - margin.bottom + 35)
.style('font-family', "sans-serif")
.style("font-size", '14px')
chartTitle = ele =>
ele
.text(d => d[0]) // here is the other (corresponding) tricky part!
.attr("transform", `translate(${chart_width / 2}, ${20})`)
.style("text-anchor", "middle")
.style('font-family', "sans-serif")
yLabel = ele =>
ele
.text("Out of State Tuition")
.attr(
"transform",
`translate(${margin.left - 40}, ${chart_height / 2})rotate(-90)`
)
.style("text-anchor", "middle")
.style('font-family', "sans-serif")
html`<style>
.chart-container {
display:inline-block;
}
</style>`
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.
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