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Oscar Kjell

@oscarkjell.bsky.social
2.8K followers 697 following 53 posts

Assessing Psychological Constructs Using NLP and Machine Learning Developer of the R packages #r-text, #r-topics, and #r-talk, with workshops offered at SMaRT Workshops smart-workshops.com/lang-r-info Lund University | Vanderbilt University

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Oscar Kjell @oscarkjell.bsky.social · 04/09/2026
5/5 Throughout, you'll hear from diverse voices, including patients, clinicians, AI engineers, and healthcare organizations, to help you form your own view on AI for mental health. Developed with @veerleceline.bsky.social , @katarinakjell.bsky.social and @lunduniversity.bsky.social
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Oscar Kjell @oscarkjell.bsky.social · 04/09/2026
4/5 Course 3: AI Implementation, Safety and the Future of Mental Health Care — getting these systems into real workflows responsibly and effectively.
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Oscar Kjell @oscarkjell.bsky.social · 04/09/2026
3/5 Course 2: AI Applications for Mental Health and Clinical Practice — how AI can enhance assessment, treatment selection, personalisation, and psychotherapy.
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Oscar Kjell @oscarkjell.bsky.social · 04/09/2026
2/5 The specialisation has three sub-courses: Course 1: Understanding and Evaluating AI — what machine learning, NLP, and LLMs actually are, and how to judge their validity, reliability, and bias in clinical contexts.
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Oscar Kjell @oscarkjell.bsky.social · 04/09/2026
1/5 AI is becoming more advanced and more common in mental healthcare, from assessments to psychotherapy support. We built a Coursera specialisation to help clinicians navigate it: The Mental Health Clinician and AI. coursera.org/specializations/the-mental-health-clinician-and-ai #PsychSciSky
coursera.org
The Mental Health Clinician and AI
Offered by Lund University. Navigate AI as a Mental Health Professional. Understand, evaluate, and apply AI as a mental health professional Enroll for free.
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Oscar Kjell @oscarkjell.bsky.social · 05/08/2026
Really looking forward to the SMaRT workshop next week! Thanks to the organizers for having me on board. If you're interested, there's still time to register! :) #RStats #rtext #rtalk #rtopics #PsychSciSky #StatsSky #Psychology
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Aidan Wright @aidangcw.bsky.social · 03/08/2026
Want to join the newest methodological wave of analyzing the growing amount of audio and text data? Consider registering for Oscar Kjell's course next week (8/11-8/13) on using R for language based analysis: smart-workshops.com/lang-r-info
smart-workshops.com
Human Language in R Information — SMaRT Workshops
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Eiko Fried @eikofried.bsky.social · 15/06/2026
In addition to a hiring PhD in ~October & hopefully some PhDs and postdocs ~February, if anyone would like to work with me as part of eg a Marie-Curie or something similar, please do get in touch. Topics include depression, classification, measurement, systems, time-series, & theory building.
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Oscar Kjell @oscarkjell.bsky.social · 12/05/2026
i'm excited to offer a new 3-half-day online workshop through SMaRT Workshops: “Analysing Human Language using R: From Audio and Text to Interpretable Results” Learn transcription, embeddings, L-BAMs, and visualization with #rtalk, #rtext, and #rtopics. smart-workshops.com/lang-r-info
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Aidan Wright @aidangcw.bsky.social · 30/04/2026
Hey folks, www.smart-workshops.com is sponsoring yet another free webinar. This time on how to navigate and be successful at PCORI grants taught by Kelley Kidwell (UMich Professor of biostats) You can find out more and register here: smart-workshops.com/pcori-info Feel free to share!
smart-workshops.com
SMaRT Workshops
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Whitney Ringwald @whitneyringwald.bsky.social · 11/03/2026
Ridiculously useful information for anyone designing EMA studies or evaluating EMA studies as a reviewer/consumer of research.
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Ryan Boyd @ryanboyd.io · 03/03/2026
New paper: PsychAdapter, a method for conditioning language models on psychological traits. Big 5 personality, mental health, and more. Lightweight approach works across multiple model architectures. @handyschwartz.bsky.social @lyleungar.bsky.social @oscarkjell.bsky.social and others! rdcu.be/e6m8H
rdcu.be
PsychAdapter: adapting LLMs to reflect traits, personality, and mental health
npj Artificial Intelligence - PsychAdapter: adapting LLMs to reflect traits, personality, and mental health
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Veerle Eijsbroek @veerleceline.bsky.social · 28/07/2025
1/5 Did you ever wish to make a visualization of language data? 🤔 We made an R-based tutorial for social scientists on how to turn language data into visual insights ✅ Preprint: doi.org/10.31234/osf...
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Oscar Kjell @oscarkjell.bsky.social · 23/07/2025
the R-packages text 1.6 and topics .6 are now on CRAN topics includes visualisation improvements text is now easier to install, it checks for dependencies and instructs how to install them hope to get more user feedback to improve installation further www.r-text.org #rtext #rtopics #LLM #AI
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Oscar Kjell @oscarkjell.bsky.social · 23/07/2025
hi again, please note that text 1.6 and topics 0.6 is now on CRAN.... and this version of text does not require the user to download JAVA. The installation is now made easier by explicitly checking and providing instructions regarding system dependencies. (again, thanks for the feedback)
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HiTOP @hitop-system.bsky.social · 18/06/2025
We’ve just launched the HiTOP Teaching Hub—a space to collect and share materials for teaching dimensional models. If you have anything you're willing to share, please contact @kathleenwreardon.bsky.social or @miriforbes.bsky.social Here's what we have so far: www.hitop-system.org/hitop-teachi...
hitop-system.org
HiTOP Teaching Hub
Information about HiTOP self-report measures, including HiTOP-PRO, the harmful substance use module, and B-HiTOP
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Veerle Eijsbroek @veerleceline.bsky.social · 16/06/2025
The LEADING reporting guideline is now published in Comprehensive Psychiatry 🥳 See www.sciencedirect.com/science/arti... Or read the previous summary 👇
sciencedirect.com
The LEADING guideline: Reporting standards for expert panel, best-estimate diagnosis, and longitudinal expert all data (LEAD) methods
Accurate assessments of symptoms and illnesses are essential for health research and clinical practice but face many challenges. The absence of a sing…
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Saloni @scientificdiscovery.dev · 15/05/2025
1/ Correction! 🚨 I found and fixed an important coding error in a chart I made. Specifically, the peach category 'lymphatic and blood cancers' in this chart wrongly included both lymphoid and blood cancers (C81-C96) plus some of its subcategories, meaning some were double-counted. Before & after:
Erroneous version of the chart with a significant share of cancer deaths being from lymphatic and blood cancers, across all ages.Fixed version of the chart with a much smaller share of cancer deaths being from lymphatic and blood cancers, especially smaller during childhood.
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Oscar Kjell @oscarkjell.bsky.social · 12/05/2025
1. which text version are you using? have you installed the latest version from CRAN 1.5? 2. when you try this, can you please first always remove the embeddings that are automatically saved in your working directory (called something like textPredict_694....RDS).
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Oscar Kjell @oscarkjell.bsky.social · 10/05/2025
i'm not able to reproduce this (some colleagues have tried too). if you run it in a standard R script, do u get some more info? (every time you try, pls use different texts input so u make a new embeddings every time). im also happy to schedule an online meeting next week to try n sort this out :)
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Oscar Kjell @oscarkjell.bsky.social · 09/05/2025
I’m thrilled about this special issue — please submit your abstract!
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Joe G @eastendjoe.bsky.social · 08/05/2025
Today’s reading exercise.
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Oscar Kjell @oscarkjell.bsky.social · 08/05/2025
if that does not work, can you please try running this: res <- textAssess( model_info = "valence_facebook_mxbai23_eijsbroek2024", texts = "test one")
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Oscar Kjell @oscarkjell.bsky.social · 08/05/2025
in the console it says you are loading some embedings called textPredict_..... These are created automatically when running textPredict() with a new text. Now these embeddings are named differently; so try setting dim_name = FALSE within textPredict call.
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Oscar Kjell @oscarkjell.bsky.social · 08/05/2025
Thanks for your patience. Do u already have a word embeddings for this text in your working directory? Can u pls 1) try with a different text, or 2) delete any word embeddings created from textPredict() in ur working directory. (i should add improve the warning!).
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Oscar Kjell @oscarkjell.bsky.social · 08/05/2025
yes, thanks for letting me know. i've been thinking about this too. there are a few functions that i would prefer not having in both packaged to simplify maintenance. but, i will look into a solution so that the text-package installation does not require rJava. ill keep you posted.
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Oscar Kjell @oscarkjell.bsky.social · 08/05/2025
have you tried to first downloading java from www.java.com/en/download/.
java.com
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Oscar Kjell @oscarkjell.bsky.social · 06/05/2025
hmm what is the error? Have you tried installing rJava first? here you can see more details about installing the text package (r-text.org/articles/hug...) im happy to get feedback if it does not work.
r-text.org
Extended Installation Guide
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Oscar Kjell @oscarkjell.bsky.social · 04/05/2025
Version 1.5 of the #r-text package is now available from #CRAN. This version improves the application of pre-trained language assessments from the #LBAM-library (r-text.org/articles/LBA...). #mlsky #PsychSciSky #Statistics #PsychSciSky #StatsSky #NLP
r-text.org
The Language-Based Assessment Model (L-BAM) Library
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agnilsson.bsky.social @agnilsson.bsky.social · 20/02/2025
1/8 Balance ⚖️ vs. Harmony ☯️: Two emerging well-being constructs often sloppily used interchangeably. But they’re distinct. Balance = broad life domains ⚖️ Harmony = relationships🧘 We asked 15,275 people across 154 nations to show it. www.tandfonline.com/doi/full/10....
tandfonline.com
Differentiating balance and harmony through natural language analysis: a cross-national exploration of two understudied wellbeing-related concepts
Although the concepts of balance and harmony are increasingly appreciated as important in research on wellbeing, their precise meaning is often vague or unclear. This paper aims to elucidate these ...
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Oscar Kjell @oscarkjell.bsky.social · 20/02/2025
Thanks for tagging me 🙌 looks really interesting? Would you like to present this to our research lab in an online meeting?
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Oscar Kjell @oscarkjell.bsky.social · 30/01/2025
our department at Lund University has a position for a PhD student. feel free to reach out if you are interested in applying. lu.varbi.com/en/what:job/...
lu.varbi.com
At least one Doctoral student in Psychology
The Department of Psychology is now looking for a doctoral student in any field of study in the subject and based on their own proposed project plan. Regarding the doctoral programme The doctoral prog
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Max kuhn @topepo.bsky.social · 14/01/2025
The tidymodels group has an #rstats summer internship position this year. The focus is on feature selection tools. All of the information is in the blog post below. We look forward to seeing your applications! www.tidyverse.org/blog/2025/01...
tidyverse.org
tidymodels Internship for 2025 - Tidyverse
The tidymodels team is sponsoring a summer internship in 2025.
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Oscar Kjell @oscarkjell.bsky.social · 30/12/2024
Thanks for the info! I will check it out!
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Mid terms are November 3rd 2026. Go register voters. @usrbinr.bsky.social · 30/12/2024
I really wish I discovered the {S7} and {cli} package before -- it would have really streamlined so much package development 100% recommend these tools for any package developers. #rstats
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Oscar Kjell @oscarkjell.bsky.social · 30/12/2024
How come? Any advice on where to start learning more? 😁
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Memento (spooky) Morty 🌙 @mementomorty.bsky.social · 24/12/2024
when the star on the tree is an actual star lol A NASA photo of the Christmas Tree Cluster 🎄
A NASA photo of NGC 2264- a cosmic tree that has been named the Christmas Tree Cluster which lives in our galaxy about 2,500 light-years from Earth. It contains baby stars that are between 1 and 5 million years old 🥺
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Oscar Kjell @oscarkjell.bsky.social · 23/12/2024
We received this beautiful handcrafted Christmas card from a student from Germany who visited us earlier this year... she did an amazing job capturing our cat! 🎄⭐ Merry Christmas, everyone!
Christmas card of a small tree, wrapped gifts and a cat.
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Oscar Kjell @oscarkjell.bsky.social · 22/12/2024
Version 1.3 of the #r-text package is now available from #CRAN. This new version makes it easier to apply pre-trained language assessments from the #LBAM-library (r-text.org/articles/LBA...). #mlsky #PsychSciSky #Statistics #PsychSciSky #StatsSky #NLP
r-text.org
The Language-Based Assessment Model (L-BAM) Library
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Sharon Machlis @smachlis.bsky.social · 19/12/2024
Better than bookmarks? Use R to save all your Bluesky likes in a searchable table! Bonus if you use generative AI: Upload them to a free service like Google NotebookLM and ask natural language questions to find that post you remember. www.infoworld.com/article/3623... #Rstats #R #GenAI #Bluesky
infoworld.com
Create searchable Bluesky bookmarks with R
How to save and search all the Bluesky posts you’ve liked with the atrrr R package and use NotebookLM to ask natural language questions about those likes.
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Michael Chirico @michaelchirico.bsky.social · 20/12/2024
#rstats {lintr} finally got a hex logo! Thanks to @gregswinehart.bsky.social! And of course @hadley.nz for the initiative.
A hex logo with 'lintr' written in light blue stitch. The angled white band behind this lettering appears to be "wiped on" by a lint roller at the right end of the hex. The rest of the hex is a Nordic knit sweater pattern in various shades of blue.
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Nick Byrd, Ph.D. @byrdnick.com · 09/09/2023
👋 I’m Nick. I study how we can make better decisions. Some examples: - Bounded Reflectivism & Epistemic Identity: researchgate.net/publication/356615873 - Great Minds Do Not Think Alike: researchgate.net/publication/359114933 - Tell Us What You Really Think: researchgate.net/publication/370193206
researchgate.net
(PDF) Tell Us What You Really Think: A Think Aloud Protocol Analysis of the Verbal Cognitive Reflect...
PDF | The standard interpretation of cognitive reflection tests assumes that correct responses are reflective and lured responses are unreflective.... | Find, read and cite all the research you need o...
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Teun van den Brand @teunbrand.bsky.social · 14/12/2024
Hi folks! I know it is the weekend, but I'd like to quickly announance an update to {legendry} version 0.2.0: teunbrand.github.io/teunbrand_bl... #rstats #ggplot2
A scatterplot of the gapminder dataset, showing GDP per capita on the x-axis and life expectancy on the y-axis. The points are sized by population, which has a legend with overlapping circles.A correlation heatmap of the mtcars dataset. Car names on the left are decorated with a dendrogram. The bottom cells also have a dendrogram, whereas the labels are on the top.
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Tim Leeuwenburg @kangaroobeach.bsky.social · 15/12/2024
Hot day and our local echidna has had to take a dip to cool down on Kangaroo Island!
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Mid terms are November 3rd 2026. Go register voters. @usrbinr.bsky.social · 07/12/2024
Let’s gooooo
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Giada Pistilli @giadapistilli.com · 04/12/2024
In case you missed it, last October our paper "ELLIPS: An Ethics-Centered Approach to Research on LLM-Based Inference of Psychiatric Conditions" was accepted at AIES 2024. Let's dive into its details.
AIES 2024 poster of the paper "ELLIPS: An Ethics-Centered Approach to Research on LLM-Based Inference of Psychiatric Conditions"
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Eiko Fried @eikofried.bsky.social · 22/11/2024
So many new followers!​! Hi folks, nice to meet you all. 🖤 I'll introduce my core research interests by showing you some of the work we've done in recent years on the conceptualization, measurement, modeling, and theories of mental health (problems). 🧪 #PsychSciSky #psychiatry #statssky 🧵
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Miri Forbes @miriforbes.bsky.social · 25/11/2024
Launched a new HiTOP YouTube channel to host some videos my RA Tash Turner-Cohen and I are working on. We've just posted the first one, which gives a brief overview of some of the limitations of the DSM: youtu.be/4Kwu_1oMD9U
youtu.be
Limitations of the DSM
YouTube video by HiTOP
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Dr. Laura M. König @lauramkoenig.bsky.social · 03/12/2024
After I just added @masharemskar.bsky.social, there are 10 more placed available on the first Health Psychology starter pack. Anyone missing? Please let me know! go.bsky.app/9Xfk7Wo
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Amanda Kay Montoya @akmontoya.bsky.social · 01/12/2024
European Social-Behavioral Science folks! Last chance to apply to my Mediation, Moderation, and Conditional Process Analysis workshop in Ljubljana, Slovenia, 20-24 Jan. Deadline has been extended to 4 Dec! gserm.org/apply-now/
gserm.org
Apply now – GSERM
We are looking forward to receiving your registration including all necessary documents and information via our application portal.
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