So, just gave a "hot-take-lightning-talk" to our team about:

*Why timeline maps are the new bar chart races.*

And since readers did not give me much hate for the last days (just "why do you believe in science"), I am ready for discussions & rants on twitter.

#ddj #dataviz
1/x
As any good rant, it started with jealousy.

An editor sent me this viz by @juliustroeger @moklick @colorfuldata and @elena_erdmann. He asked whether we could do sth similar.
And of course we couldn’t. But also, after some time, I thought:

we shouldn’t.


2/x
@juliustroeger @moklick @colorfuldata @elena_erdmann (Btw in general, I love ZeitOnline's team)
The reason is, I feel overwhelmed. Things are happening left and right, north and south. And just when I saw something, it is gone. Still, better than this map where nothing happens. But I guess, timeline maps suffer from 2 things:

3/x
1. Often missing narratives.
2. Too much cues to process.

It reminded me of the debate about barchart races. Those nasty things that looked fancy but nobody could tell what they showed. Here a explanation/rant by @AlbertoCairo.

4/x
thefunctionalart.com/2019/11/the-ba…
@AlbertoCairo But what if we actually have a narrative that is time and spatial dependent. Like the Western/Eastern divide between the surge of Covid-cases in Europe. Well, the @ECONdailycharts shows both in separate charts on its dashboard. But it is difficult with the scrolling.

5/x
@AlbertoCairo @ECONdailycharts A great one-chart solution is the one that they showed here. Which I like for its clarity. With a simple toggle button, you could make it a bit more playful. But it gets the message across.

6/x
@AlbertoCairo @ECONdailycharts However, my favourite solution is this by @ReutersGraphics. And the great thing is: it uses almost no maps.

It is Nightingale charts that are divided into left and right for Western and Eastern countries. So it uses cues very subtly and just neatly tells the story.

7/x
@AlbertoCairo @ECONdailycharts @ReutersGraphics All that being said, I am interested in other people's takes and opinions. Is there a good point for timeline maps? What have I overlooked? And how much am I just yelling at clouds?

8/x

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More from @HalukaMB

29 Mar 20
Gerade wird über Contact-Tracing mittels Handy-Daten diskutiert. Jens Spahn will dafür vllt. Gesetze ändern.Wir haben darum mit Experten gesprochen, die z.B. Handydaten für das RKI auswerten, um zu verstehen, was technisch geht.

Es ist nicht so einfach.

rbb24.de/panorama/thema…
Erstmal eine gute Nachricht, landesweit hat die Mobilität massiv abgenommen laut den Daten, die auch dem RKI zur Verfügung stehen, ging die Mobilität um 45% zurück. In den Städten sogar mehr.
Das ist aber ein allgemeines Bild von der Lage. Könnte man wirklich einzelne Kontaktketten nachzeichnen. Also zum Beispiel, wen ich vielleicht angesteckt habe? Mit Funkzellendaten, die Spahn zum Beispiel will:

Nein.

Sie sind viel zu unpräzise.
Read 9 tweets

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