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Matt Cooper

@nzcoops

Manager of Biostatistics - The Kids Research Institute Australia R User, study design and reproducibility enthusiast - and anything sports (NFL, Rugby, Touch Football) or competition BBQ related! https://the-kids-biostats.github.io/

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10.06.2024
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Latest posts by Matt Cooper @nzcoops

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Like Wordle? How about some math based alternatives!

Created by a friend of mine, four different games, my favourite is FloodFill. Have a go!

www.mathislit.com/FloodFill/

03.03.2026 03:11 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Biostatistician Job in Nedlands, Perth WA - SEEK Apply your biostatistical skills to support a wide variety of child health research projects being led by passionate researchers.

πŸ“ŒπŸ“ We're hiring πŸ“πŸ“Œ

Open to considering all levels of experience for this Biostatistician position in Perth WA - one of the most 🌞 cities on 🌏

www.seek.com.au/job/90579895

#RStats #RStudio #StatsEpi #Stats

26.02.2026 06:40 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Efficiently Cleaning and Labelling Data Columns with thekidsbiostats – The Kids Biostats

🚨 New blog post - Simplifying the path to tidy variable names with nice labels

the-kids-biostats.github.io/posts/2026-0...

Little by little we're trying to remove friction from OUR regular tasks/processes. We hope others might benefit from this along the way.

19.02.2026 05:34 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

I've wished for this package so many times!

18.02.2026 12:10 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Congrats Matt, nice!

18.02.2026 12:10 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

See also github.com/The-Kids-Bio...

17.02.2026 23:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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thekidsbiostats/R/thekids_table.R at main Β· The-Kids-Biostats/thekidsbiostats Package with helper functions and formatting templates used by the Biostatistics team of The Kids Research Institute Australia. - The-Kids-Biostats/thekidsbiostats

@mattansb.msbstats.info you can play with (but not judge 🀣) our function here github.com/The-Kids-Bio... if you like

17.02.2026 23:57 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1

We've leaned heavily into gt and flextable. We found gt gives us the 'within R' flexibility we needed %>% and then a final processing through flextable gives us the formatting (html and word) polish and flexibility we wanted.

17.02.2026 00:08 πŸ‘ 7 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

THE best #1.

Get it on repeat 😍

24.01.2026 09:32 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Line chart showing percent correct on the y-axis and three conditions on the x-axis: Baseline, Intuitive, and Mocked. Three lines represent GPT-5.2, Claude Opus 4.5, and Gemini 2.5 Pro. All three models score between 93-98% on baseline, then drop on intuitive and mocked conditions. All three perform the worst on the mocked condition.

Line chart showing percent correct on the y-axis and three conditions on the x-axis: Baseline, Intuitive, and Mocked. Three lines represent GPT-5.2, Claude Opus 4.5, and Gemini 2.5 Pro. All three models score between 93-98% on baseline, then drop on intuitive and mocked conditions. All three perform the worst on the mocked condition.

More on LLMs and plot interpretation: they do fine in normal conditions, but struggle when the plot conflicts strongly with their priors.

@simonpcouch.com and I investigated why and what might help: posit.co/blog/llm-plo...

22.01.2026 21:31 πŸ‘ 24 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0

No one says to legit business owners, "hey I see there's an underground market selling toxic knock-offs of your product: how will you incorporate the toxic product AND protect your customers against its harms?" But apparently it's fine to make this suggestion to educators with respect to AI.

24.12.2025 19:56 πŸ‘ 2109 πŸ” 605 πŸ’¬ 13 πŸ“Œ 31

Wowzer!

Not gonna lie, I've been straight up trying this every 6 months for about 15 years just waiting for this to drop!

06.12.2025 11:06 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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🚨 New blog post

the-kids-biostats.github.io/posts/2025-1...

This one looking at the use of the {readaihw} package and the value of the AIHW data it enables you to access, plus a peak behind the scenes of something we do to spur on a little water cooler talk in the office.

27.10.2025 01:36 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Here's to World Statistics Day πŸ“Š

Yes that's right, we've already got our eye on wrapping up 2025.

#RStats #Statistics #Statssky #DataScience

20.10.2025 00:05 πŸ‘ 4 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0
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Happy birthday to me!

Let's go @chargers.bsky.social
⚑⚑⚑

16.10.2025 04:12 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Listen. Greg. We need evidence-based data-driven decision making, just not when it comes to the economy okay mate.

πŸ˜‚πŸ˜‚

02.10.2025 01:08 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Both are 'actually' ordered, just the latter has the attribute of being 'ordered'.

01.10.2025 01:20 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Thanks. Yeah I think the problem with the wording is the "preserves the existing status" part! Because the words 'preserves' and 'existing' both heavily imply 'nothing with will done'.

So = NA will give B A C (if that is the frequency order), = T will give B < A < C (ordered).

01.10.2025 01:19 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Someone help my brain without needing more coffees.

ordered - A logical which determines the "ordered" status of the output factor. NA preserves the existing status of the factor.

I don't understand the roll of this argument, or (if that argument does what it says) why this solution works?

30.09.2025 23:58 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

The phones we have, that have been in development for decades, are buggy enough.

Can you imagine doing Microsoft 2FA six times for something 20mm from your eyeball?

16.09.2025 07:15 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Nothing a bayesian analysis can't fix.

04.09.2025 07:33 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

advertised CV, which may make some employers think that you'll always be (actively?) looking for other opportunities. Especially in scenarios where the work shown doesn't completely align with the job being applied for.

"This person looks good, but it seems they're more interested in X"

25.08.2025 04:38 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

As it relates to "Was it useful in securing your first data job?"

For some job applications it could help, for others, it may give off a conflicting message. Like "does this person want the job I'm offering or some other more independent consulting job". It can be seen as a permanently ...

25.08.2025 04:37 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Nice.

Myself, I'm particularly fond of the:

1. M365 login page
2. Enter work email
3. Taking you to your work place sign in page
4. Enter password
5. Type the number XX into your authenticator app
6. Refreshes
7. "You've successfully signed out"

01.08.2025 10:48 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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here's the first hint

(am now reflecting on having shared this internationally, intuition on this might be different depending on... hemisphere)

31.07.2025 01:06 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Chart showing CPI in each capital city:

	CPI
Sydney	1.94
Melbourne 	2.02
Brisbane 	2.49
Adelaide 	1.79
Perth 	2.69
Hobart 	1.74
Darwin 	1.57
Canberra 	1.61
Australia 	2.09

Chart showing CPI in each capital city: CPI Sydney 1.94 Melbourne 2.02 Brisbane 2.49 Adelaide 1.79 Perth 2.69 Hobart 1.74 Darwin 1.57 Canberra 1.61 Australia 2.09

Inflation in the past year was BELOW the RBA's target range in FIVE capital cities. And the only places it was above 2% were Brisbane and Perth, where the end of state-based energy rebates saw an abnormal jump in electricity prices.

Time to wake up the RBA
www.theguardian.com/commentisfre...

30.07.2025 23:28 πŸ‘ 76 πŸ” 24 πŸ’¬ 7 πŸ“Œ 0
coloured lines, guess the plot

coloured lines, guess the plot

It's the little game no one asked for!

What's! This! Plot?!

#RStats #RStudio #StatsEpi #Stats

30.07.2025 07:42 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Did I make it within 24 hours?

#RStats #RStudio #StatsEpi #Stats

18.07.2025 05:46 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Birthrate falls in Australia’s biggest cities amid cost-of-living crisis, preliminary data shows Outer-suburban and regional Australians increasingly likely to have more children per person than inner-city residents, report shows

"Overall the country’s fertility rate, or children born per woman, was 1.51 in 2024, statistically similar to the 1.5 observed in 2023 ..."

I wonder if someone was asked to statistically compare those two numbers? I wonder if the result of the test would have swayed one's thoughts on the numbers?

17.07.2025 23:58 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

This is incredibly disappointing to read!

17.07.2025 06:03 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0