Roll with the Polls

Maarten Lambrechts 

Malofiej 24 | Pamplona

@maartenzam

?

var circle = svg.selectAll("circle.party")
    .data(data)
    .enter()
    .append("circle")
    .attr("r",0)
    .attr("cy", function (d) {return height*Math.random();})
    .attr("cx", function (d) {return width *Math.random();})
    .style("fill", "#ccc")
    .style("opacity", 1);
var map = L.mapbox.map('map', 'mediafin.k8e0gbl6')
    .setView(mapcenter, zoomlevel)
    .addControl(L.mapbox.geocoderControl('mapbox.places-v1', {
        autocomplete: true,
        position: 'bottomleft'
    }));
$('#container').highcharts("StockChart",{
    chart: {
        backgroundColor: '#fef7ea'
    },
    title: {
        text: 'Een kwarteeuw pieken en dalen'
    },
    subtitle: {
        text: '25 jaar Bel20'
    },
    data : {
        csv: csvdata,
        itemDelimiter: ';',
        decimalPoint: ',',
        dateFormat: 'YYYY-mm-dd'
    }

Explorable Explanations

The Poll Trap

Media order survey

Survey company conducts

Media report

Users click, read, watch

Media order new survey

...

Everybody

Statisticians

?

No

\text{CI} = \bar X \pm 1.96 \frac{\sigma}{\sqrt{n}}
CI=X¯±1.96σn\text{CI} = \bar X \pm 1.96 \frac{\sigma}{\sqrt{n}}
f(x) = \frac{1}{\sqrt{2\pi \sigma^2}} e^{ -\frac{(x-\mu)^2}{2\sigma^2} }
f(x)=12πσ2e(xμ)22σ2 f(x) = \frac{1}{\sqrt{2\pi \sigma^2}} e^{ -\frac{(x-\mu)^2}{2\sigma^2} }
Pr(\mathrm{Reject}\; H|H) = Pr(p \leq \alpha) = \alpha
Pr(RejectHH)=Pr(pα)=αPr(\mathrm{Reject}\; H|H) = Pr(p \leq \alpha) = \alpha

Introducing

Rock 'n Poll

So

Visualize uncertainty when there is uncertainty

Fight

xenographphobia

Fine print

Slide 1 | Pencil picture: emagic

Slide 8 | Alternatives to bar charts: UW Graphics

Slide 11 | Star Wars intervals: Maarten Lambrechts

Slide 11 | Fan chart: Congressional Budget Office

Slide 11 | Uncertainty visualizations: UW IDL

Slide 12 | Horizon Graphs: Flowing Data

Slide 12 | Radial Horizon Graphs: Tennis Visuals

Slide 12 | Spotlight: Kristina Szűcs

Slide 12 | Peyton Manning: New York Times

Slide 12 | Strip Plot: Maarten Lambrechts

 

Rock 'n Poll

By maartenzam

Rock 'n Poll

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