Talk presented at ByteAdventures 2021 This April I participated in the 30DayChartChallenge and to make things interesting, after the first day, I've decided on combining this with my old dream of learning D3.js. This talk is about that journey, we will go through 30 data stories, how I found the data, sometimes collected it, charted it, and charted it again and again. Topics range from politics, to global warming and gender equality and ABBA.

1. 30DATAVISUALISATION
STORIES
BYTEADVENTURES - JUNE 2021

2. Co-organizator PyLadies Hamburg
Vice chair @ Python Software Verband
Diversity & Inclusion @ PSF
Art: tiyepyep
pronouns: she/her
content warning ⚠ politics
TEREZAIOFCIU
HEAD COACH DATA SCIENCE @NEUEFISCHE

4. after day 1 new goal: learn D3.js
-> Observable
https://observablehq.com/@terezaif/
30daychartchallenge-recap

5. COMPARISONS

6. let's start with politics
PART
-
TO
-
WHOLE

7. data collection: had to read the AFD
and FDP manifestos..
PICTOGRAM

8. also... got some strange comment I had
to report for CoC violation
CONTENTWARNING

9. data collection: getting data from the
bundestag archives
originally wanted to do a pyramid chart
(with bars left and right..) but they are
considered not to be easy to decode ..
HISTORICAL

10. collected my Dota data
turns our I shouldn't play on
Wednesdays 😅
MAGICAL

11. more Dota data
but I did the wrong chart 😅
SLOPE

12. how to make a pie chart acceptable and
needed a faster/easy chart..
Others had really awesome
contributions
EXPERIMENTAL

13. DISTRIBUTIONS

14. curiosity.. how much do we shrink with
age?
chart: dot plot
PHYSICAL

15. a very sad chart
data: Havocscope
ANIMALS

16. who writes the books we read?
chart: word plot
STATISTICS

17. reading the news on a Saturday, and
saw the covid vaccination numebrs
then I looked for some inspiration on
Observable
ABSTRACT

18. reading the news on a Saturday.. this
was an easier one
ABSTRACT

19. I live close to a baby klappe and the
data about them is not very much
advertised .. so I read a lot of news ..
spent a whole Sunday on this chart
CIRCULAR

20. Can you spot the carnival in Rio?
STRIPS

21. RELATIONSHIPS

22. data: Blockbuilder colors
questions: does more charting
experience lead to usage of less colors?
CORRELATION

23. NASA data via Sky
f
ield python lib
this was a total suprise as I am a total
space noob
SPACE

24. needed an easy date, the radar chart I
forked from had no legend.. so
extended that to have a legend
(do not underestimate the work of
adding a legend in D3.js)
MULTIVARIATE

25. lots of plan(t)s.. and I wanted to use an
arc chart..
arc charts are not good with lots of data
TREES

26. ABBA day, this could have been fast
but then I decided to write a small
app for sentiment analysis using
hugging face 🤗 transformers,
deployment didnt work due to size
of libs
POPCULTURE

27. graph/network chart
most unrewarding wrt work vs outcome
CONNECTIONS

28. TIMESERIES

29. the measuring unit GT was extremly
counter intuitive ..
GLOBALCHANGE

30. how to chart time series without using
bar or line charts?
UPWARDS

31. the EU has so much data!! check out
eurostat
DOWNWARDS

32. this day I misread and worked on the
next day chart.. only to realise late that
the topic was animation
animations are quite fun.. one used
time to change data /object properties
ANIMATION

33. 6000 years of data.. things are
changing
TILES

34. it thus turns out that Hamburg seasons
are not symetric .. again the space noob
was surprised
MONOCHROME

35. UNCERTAINTIES

36. one tiny covid chart..
DEMOGRAPHICS

37. well.. this is sad.. what kind of a
person are you.. part of the
problem? or part of the solution?
TRENDS

38. data: world bank
the bars show the con
f
idence intervals
around the averages
EDUCATIONAL

39. f
inally the slope chart
FUTURE

40. W.E.B. DuBois Chart
with colonialisation data
DEVIATIONS

41. collected some
inaccurate data
3D

42. FEATURED CREATOR
GOT INVITED TO BECOME AN OBSERVABLE AMBASSADOR
NEXT: STARTED A 30 WEEK CHART CHALLENGE
ANDTHEN!!!

43. TEREZAIOFCIU
@TEREZAIF
https://observablehq.com/@terezaif/30daychartchallenge-recap