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Jun 12, 2021 β€’ 6 tweets β€’ 3 min read β€’ Read on X
I don't get why people flip out over circular bar graphs βšͺπŸ“Š. #SciComm #DataVisualization 🧡 1/5 Vaccination coverage in Canada by age group, as of June 05,
If you believe the circular bar chart is good, why put the same data in a table, too?

Why not just have the "second dose" πŸ’‰πŸ’‰ data in the table?

Or make another circular bar chart βšͺπŸ“Š for the second dose data? 2/5 Vaccination coverage in Canada by age group, as of June 05,
The colour scheme seems completely arbitrary. Different colours represent anywhere from a 1% difference in "first dose" πŸ’‰ percentages (people in their 70s vs. people 80 and older) to a 16% difference (people 18-29 vs. younger teens). 3/5 Vaccination coverage in Canada by age group, as of June 05,
This circular bar graph βšͺπŸ“ŠΒ works as well as it does because the percentages have the SAME rank order as age group., both for "first dose" πŸ’‰ and "second dose" πŸ’‰πŸ’‰.

If that wasn't the case, I think this would be MUCH harder to interprets. 4/5
Is a standard bar graph πŸ“Š all that bad? 5/5
Of course, AFTER I tweet I realize 😳 that the "second dose" πŸ’‰πŸ’‰ data IS in the circle bar graph β­•πŸ“Š at the start of the bars at the 12 h position. πŸ•›.

Which speaks to the point of this graph being hard to interpret. 6/5

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More from @iamscicomm

Nov 2, 2022
I have 10+ years of university-level education.

But no lecture taught me how to create good visualizations.

These things are crucial for communication but are often not part of the training.

So, let's have a crash course on visualization guidelines anyone can implement. 🧡
1. Know your audience

You can't use the same visualization for every audience.

A plot that works in a scientific journal may bore (or confuse) non-scientists.
2. Know your takeaways

Forget the dream of putting ALL of your great insights into one powerful plot.

This. does. not. work.

If anything, this dream is a gateway to using too many chart types all at once.

Visualize only your most important insights (maybe in separate plots).
Read 17 tweets
Nov 1, 2022
There are hundreds of online resources for learning how to code.

But there are much fewer online resources for math.

Maybe that's because LaTeX (the premier math writing tool) isn't good at creating them.

#QuartoPub can do both. So, is it a worthy alternative?🧡 #mathematics
What is Quarto?

Short answer: It's a tool that can create many output formats all from one interface.

That means you can create classical PDF math papers as well as online math books with Quarto.
You may be sceptical about the online part. Maybe you have only seen math in PDF format.

But I assure you that it's a real thing. And it's powerful.

For example, every day hundreds of mathematicians on MathOverflow talk about research-level math online. mathoverflow.net
Read 16 tweets
Oct 31, 2022
Quarto becomes *really* cool when you see all the beautiful outputs it can create.

Let's have a look at some more #QuartoPub examples.

Let's start with good old fashioned PDF documents.

With Quarto, you can still do all the PDF stuff you used to do.

nmfs-opensci.github.io/quarto_titlepa… ImageImage
You can even add beautiful title pages to your PDFs.
nmfs-opensci.github.io/quarto_titlepa… Image
Read 9 tweets
Aug 30, 2022
Alright, another common misconception I encounter is the gene vs allele/variant mixup. Most often I see it phrased something like "She has the gene for breast cancer."
In this example, I think we all understand what the person means: she has a genetic variant that makes her more predisposed to breast cancer. For a lot of purposes, that's the only information we really need.
But in reality, we all have two copies or alleles of the BRCA2 gene, one from each parent. But some of us have versions of that gene that make us more prone to developing breast cancer.
Read 9 tweets
Aug 30, 2022
Alright, time to talk some DNA misconceptions and how we can try and break them down!

First up, myths about dominant and recessive traits.
This one hurts, because I thought a lot of these were true for a while!

Often when learning about genetics, we learn that things like tongue-rolling, attached earlobes, and PTC tasting are pure dominant/recessive traits. They're simple, easy traits to demonstrate in a classroom.
But unfortunately, many of them aren't really true dominant/recessive traits! There's a great website called "Myths of Human Genetics" by John H. McDonald at the University of Delaware that breaks down where many of these myths came from: udel.edu/~mcdonald/myth…
Read 12 tweets
Aug 30, 2022
Good morning, all! Today, we're gonna talk about the importance of SciComm in Genetics. Why genetics specifically?

Because that's what my PhD is in, so I'm biased towards it being the coolest science πŸ˜‚.
BUT ALSO because I strongly believe we're all increasingly asked to make choices that involve genetics in our everyday lives, and I want to equip everyone with the vocabulary to feel comfortable making these choices, from getting a DNA test at the doctor to understanding GMOs.
And while I've believed this for a long time, it was thrown into an incredible spotlight over the past few years, as things like PCR and RNA became household words. Imagine my delight as I saw RNA trending, and then the sadness as I found threads full of misinformation.
Read 6 tweets

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