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Paul Christiansen

@paulchristiansen

Professor of Applied Statistics at the University of Liverpool department of Psychology. Rstats, data visualisation, psychometrics and Bill the Doberhound

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18.11.2024
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Latest posts by Paul Christiansen @paulchristiansen

A post from an academic on blue sky that says: "I'm learning about "prompt engineering" when asking LLMs to extract data. I now add this to all instructions:

Style
Be concise, analytic, and specific (cite page/figure if provided). If essential info is missing, keep going but flag Unclear and exact data needed. Never invent data.
 
#academicsky"

A post from an academic on blue sky that says: "I'm learning about "prompt engineering" when asking LLMs to extract data. I now add this to all instructions: Style Be concise, analytic, and specific (cite page/figure if provided). If essential info is missing, keep going but flag Unclear and exact data needed. Never invent data. #academicsky"

Seeing people nonchalantly post stuff like makes me feel like I'm going crazy honestly.

13.10.2025 18:52 πŸ‘ 769 πŸ” 101 πŸ’¬ 58 πŸ“Œ 70
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An introduction to quantitative methods with @tandfresearch.bsky.social and @bpsofficial.bsky.social out soon

28.07.2025 15:13 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Another book on its way, this one with @sagepub.com

28.07.2025 15:08 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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05.07.2025 11:52 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
The impact of food marketing via videogame livestreaming on snack intake in adolescents: A randomised controlled trial | Public Health Nutrition | Cambridge Core The impact of food marketing via videogame livestreaming on snack intake in adolescents: A randomised controlled trial

New paper! We tested the impact of exposure to a static banner advert in a videogame livestream on subsequent snack intake among adolescents...

doi.org/10.1017/S136...

01.07.2025 10:10 πŸ‘ 0 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Wonder where it was prior to sinking

20.06.2025 17:52 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Siskin

19.04.2025 09:45 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Soon...

09.04.2025 06:27 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Me reading a thread slating a statistical method I previously thought was fine

01.04.2025 08:00 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
16.03.2025 06:16 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Stonechat

14.03.2025 19:22 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Billy's getting old

12.03.2025 20:38 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Frodo Baggins for world book day. Next year Anomander Rake lord of moonspawn son of darkness

07.03.2025 08:57 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Sunrise over #Liverpool this morning

05.03.2025 08:44 πŸ‘ 6 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
Professor Paul Christiansen stands behind a computer and looks at the audience.

Professor Paul Christiansen stands behind a computer and looks at the audience.

Congratulations to Professor Paul Christiansen @paulchristiansen.bsky.social who presented his inaugural lecture last week. The lecture, titled β€˜Not all boring tales of statistics’, saw Professor Christiansen talk about how he has used his passion for statistics to conduct cutting edge research.

25.02.2025 10:42 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Psychology Professor co-authors guide for creating healthy sustainable school meals | Stories | Institute of Population Health | University of Liverpool xlinkedinThe Original RedbrickUniversity ...

www.liverpool.ac.uk/population-h...

16.02.2025 09:46 πŸ‘ 1 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
R tutorial: Creating world maps and mapping data corruption with ggplot2
R tutorial: Creating world maps and mapping data corruption with ggplot2 YouTube video by Statistics Guides with Prof Paul Christiansen

Plotting amnesty international corruption perception data onto a world map using #ggplot in ##rstats data and code include. See how awful (or not) your country is youtu.be/oODKWNd8kTM

12.02.2025 14:39 πŸ‘ 6 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
11.02.2025 18:45 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

blood brain barrier? Utter woke nonsense

04.02.2025 19:38 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
R tutorial: How to create animated maps
R tutorial: How to create animated maps YouTube video by Statistics Guides with Prof Paul Christiansen

How to produce animated maps in #rstats data and code innhhe video description youtu.be/ra3BrCW5o54?...

04.02.2025 13:53 πŸ‘ 10 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Early morning Stonechat

02.02.2025 20:15 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Thank you find and replace

24.01.2025 17:23 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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When Poisson, negative binomial and their zero inflated counterparts don't work

24.01.2025 10:19 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
R tutorial: Creating a world map and plotting data on it
R tutorial: Creating a world map and plotting data on it YouTube video by Statistics Guides with Prof Paul Christiansen

Making a world map and plotting data on it using #rstats data and code in the video description

youtu.be/iai4iXIM7xs

24.01.2025 09:03 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
An image with "'Not at all boring tales of statistics' Professor Paul Christiansen" in white text against a navy blue background to the left and a portrait image of Professor Paul Christiansen to the right.

An image with "'Not at all boring tales of statistics' Professor Paul Christiansen" in white text against a navy blue background to the left and a portrait image of Professor Paul Christiansen to the right.

Join Professor Paul Christiansen (@paulchristiansen.bsky.social) for his inaugural lecture, "Not at All Boring Tales of Statistics"

Register your place: bit.ly/40eshHe

πŸ—“οΈThursday 20 February
πŸ• 17:30 - 19:00

#TeamLivUni

15.01.2025 10:27 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
R tutorial: Producing Bayes factors to compare the fit of linear models
R tutorial: Producing Bayes factors to compare the fit of linear models YouTube video by Statistics Guides with Prof Paul Christiansen

Comparing linear models using Bayes Factors- 4 min tutorial

youtu.be/4TqSGie2Kqw?...

07.01.2025 15:33 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Seen that exact wording somewhere before 🧐

12.12.2024 19:42 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
R tutorial: Creating a word cloud
R tutorial: Creating a word cloud YouTube video by Statistics Guides with Prof Paul Christiansen

Creating wordclouds in #rstats text cleaning and the graph code in under 6mins youtu.be/ZEizkxzrglE

09.12.2024 15:12 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Thanks! I'm planning on making some simulation videos once I have covered the basics!

07.12.2024 17:12 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
R Tutorial: Sample size calculations for t-tests
R Tutorial: Sample size calculations for t-tests YouTube video by Statistics Guides with Prof Paul Christiansen

Sample size calculations for t- tests in #rstats youtu.be/lnA8TrXU7a0

06.12.2024 15:18 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0