AI :: Posit Open Source

Observability at scale (Barret Schloerke, Posit) | posit::conf(2025)

Observability at scale: Monitoring Shiny Applications with OpenTelemetry Speaker(s): Barret Schloerke Abstract: Understanding what happens behind the scenes in production Shiny applications has always been challenging. When users experience slow response times or unexpected behavior, developers are left guessing where bottlenecks occur. This talk introduces OpenTelemetry integration for Shiny for R, a new approach to profiling code and understanding application behavior. Through a chat-enabled weather application, we’ll explore how complex user interactions trigger cascading events across multiple processes. You’ll learn how OpenTelemetry’s “high-quality, ubiquitous, and portable telemetry” can provide complete visibility into your Shiny application’s performance with minimal setup… just a few environment variables! After walking through the chat app, you’ll have a taste of how to implement comprehensive monitoring for your Shiny applications in production, enabling you to proactively identify and resolve unexpected performance issues. Materials - https://github.com/schloerke/presentation-2025-09-17-posit-conf-otel posit::conf(2025) Subscribe to posit::conf updates: https://posit.co/about/subscription-management/

Barret Schloerke

Open Source Property Assessment: Tidymodels to Allocate $16B in Property Taxes - posit::conf(2023)

Presented by Nicole Jardine and Dan Snow How the Cook County Assessor’s Office uses R and tidymodels for its residential property valuation models. The Cook County Assessor’s Office (CCAO) determines the current market value of properties for the purpose of property taxation. Since 2020, the CCAO has used R, tidymodels, and LightGBM to build predictive models that value Cook County’s 1.5 million residential properties, which are collectively worth over $400B. These predictive models are open-source, easily replicable, and have significantly improved valuation accuracy and equity over time. Join CCAO Chief Data Officer Nicole Jardine and Director of Data Science Dan Snow as they walk through the CCAO’s modeling process, shares lessons learned, and offer a sneak peek at changes planned for the 2024 reassessment of Chicago. Materials: https://github.com/ccao-data Presented at Posit Conference, between Sept 19-20 2023, Learn more at posit.co/conference.# Talk Track: End-to-end data science with real-world impact. Session Code: TALK-1147

tidymodels AI .Odelling Modelling Databricks Data Science Rstudio Machine Learning Python Stats Tidyverse Data Visualization Data Viz Ggplot Technology Coding Connect Shiny Rmarkdown Package Manager CRAN Interoperability Serious Data Science Dplyr Forcats Ggplot2 Tibble Readr Stringr Tidyr Purrr GitHub Data Wrangling Tidy Data Odbc Rayshader Plumber Blogdown Gt Lazy Evaluation Tidymodels Statistics Debugging Programming Education RStats Open Source Oss Quarto Posit ML

Conformal Inference with Tidymodels - posit::conf(2023)

Presented by Max Kuhn Conformal inference theory enables any model to produce probabilistic predictions, such as prediction intervals. We’ll demonstrate how these analytical methods can be used with tidymodels. Simulations will show that the results have good coverage (i.e., a 90% interval should include the real point 90% of the time). Presented at Posit Conference, between Sept 19-20 2023, Learn more at posit.co/conference.# Talk Track: Tidy up your models. Session Code: TALK-1085

Max Kuhn

tidymodels AI Modelling Databricks Data Science Rstudio Machine Learning Python Stats Tidyverse Data Visualization Data Viz Ggplot Technology Coding Connect Shiny Rmarkdown Package Manager CRAN Interoperability Serious Data Science Dplyr Forcats Ggplot2 Tibble Readr Stringr Tidyr Purrr GitHub Data Wrangling Tidy Data Odbc Rayshader Plumber Blogdown Gt Lazy Evaluation Tidymodels Statistics Debugging Programming Education RStats Open Source Oss Quarto Posit ML

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AI

What we’re doing to make Quarto fast(er) (Carlos Scheidegger, Posit) | posit::conf(2025)

Use Your Data Skills for Good (Sharon Machlis) | posit::conf(2025)

Tips & tricks from the maintainers of Positron (Sharon Wang & Melissa Barca) | posit::conf(2025)

There’s a new Plumber in town (Thomas Lin Pedersen, Posit) | posit::conf(2025)

The Curse of Documentation (Michael Chow, Posit) | posit::conf(2025)

Teaching data visualization with R entirely in Quarto (Claus Wilke, UT Austin) | posit::conf(2025)

surveydown (John Paul Helveston, GWU) | posit::conf(2025)

Shinystate (Eric Nantz, Eli Lilly) | posit::conf(2025)

Semantic Search for the Rest of Us with DuckDB (Marcos Huerta, Carmax) | posit::conf(2025)

Positron for Babies: Communicating Technical Concepts to all Audiences (Ryan Johnson)

Oops! I accidentally made a production dashboard (Jonathan Keane, Posit) | posit::conf(2025)

On Teaching Adults to Code (Kristin Bott, Posit) | posit::conf(2025)

Observability at scale (Barret Schloerke, Posit) | posit::conf(2025)

Making Things Nice in Python (Rich Iannone, Posit) | posit::conf(2025)

Lift Off! Building REST APIs that Fly (Joe Kirincic, RESTORE-Skills) | posit::conf(2025)

Keeping Data Alive: Persistent Storage Options for Dynamic Cloud Applications (Alex Chisholm, Posit)

Is that LLM feature any good? (Simon P. Couch, Posit) | posit::conf(2025)

Instant Impact: Developing {docorator} to Simplify R Adoption for Teams (Becca Krouse, GSK)

IDE-ntity Crisis: Choosing the Right Tool for Me (Isabel Zimmerman, Posit) | posit::conf(2025)

Get Your Ducks in a Row with Databases (Melissa Albino Hegeman, NYS OGS) | posit::conf(2025)

Get the Latest on Posit’s Commercial Products | posit::conf(2025)

From Solo to Social: Making Coding a Collaborative Adventure (Allissa Dillman, BioData Sage)

Exploring Extensions from the Posit Connect Gallery (Toph Allen) | posit::conf(2025)

Exploring Datasets in Positron (Wes McKinney, Posit) | posit::conf(2025)

Expanding Quarto’s Capabilities with Lua (Christophe Dervieux, Posit) | posit::conf(2025)

Enabling geospatial workflow management with targets (Eric Scott, UArizona) | posit::conf(2025)

duckplyr: Analyze large data with full dplyr compatibility (Kirill Müller, cynkra)

ChalkTalk: Globalizing Data Science Education with AI-generated Videos (Kene David Nwosu)

Building Governable ML Models with R (Tom Shafer, Elder Research) | posit::conf(2025)

Brand YML and Dark Mode in Quarto (Gordon Woodhull, Posit) | posit::conf(2025)

Birthing the pregnancy package (Ella Kaye, University of Warwick) | posit::conf(2025)

Automating Event Scheduling with Python in Positron (Becky Hodge, ProCogia) | posit::conf(2025)

AskRADS: An AI Recommendation Agent for Maximizing ROI of Data Science Collaborations (Regis James)

Approaching Positron from RStudio (Mauro Lepore, Recast) | posit::conf(2025)

AI-Powered Data Science in Positron (Ryan Johnson, Posit) | posit::conf(2025)

10 Years of Data Science Tools…and What Happens Next (Jonathan McPherson) | posit::conf(2025)

Virtual Day Q & A Hangout with Virtual Speakers | posit::conf(2025)

Virtual Day AMA with Rich Iannone | posit::conf(2025)

ragnar 0.2

mall 0.2.0

ellmer 0.3.0

R and the Model Context Protocol

Introducing vitals, a toolkit for evaluating LLM products in R

ellmer 0.2.0

Learning the tidyverse with the help of AI tools

Three experiments in LLM code assist with RStudio and Positron

Introducing mall for R…and Python

Retooling for a smaller data era

Introducing Keras 3 for R

News from the sparkly-verse

The Future Roadmap for the Composable Data Stack

Chat with AI in RStudio

Open Source Property Assessment: Tidymodels to Allocate $16B in Property Taxes - posit::conf(2023)

Conformal Inference with Tidymodels - posit::conf(2023)

Hugging Face Integrations

Understanding LoRA with a minimal example

What are Large Language Models? What are they not?

GPT-2 from scratch with torch

safetensors 0.1.0

torch 0.11.0

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