People

Carlos Scheidegger

Senior Principal Software Engineer at Posit, PBC

cscheid

Carlos Scheidegger

Software by Carlos Scheidegger#

Great Tables

Make awesome display tables using Python

2.6k

Python

gt

Easily generate information-rich, publication-quality tables from R

2.1k

Quarto

Open-source scientific and technical publishing system built on Pandoc

5.3k

JavaScript Python R Julia

reticulate

R Interface to Python

1.7k

chatlas

Your friendly guide to building LLM chat apps in Python with less effort and more clarity

150

brand-yml

Unified branding with a single YAML file

Python

bslib

Tools for theming Shiny and R Markdown via Bootstrap 3, 4, or 5

551

SCSS

multidplyr

A dplyr backend that partitions a data frame over multiple processes

649

Posts and resources by Carlos Scheidegger#

video

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

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

What we're doing to make Quarto fast(er) Speaker(s): Carlos Scheidegger Abstract: Quarto is a powerful system, but its performance leaves much to be desired. In this talk, I'll go through the things that make Quarto slow, and I will describe the journey I'm taking in 2025 to fix the issues. This is going to be a deeper technical talk on performance analysis, profiling, and will include discussing the custom tooling we've had to build to measure performance in a system as complex as Quarto. Quarto markdown repo: https://github.com/rstudio/rstudio-conf/blob/main/2025/github.com/quarto-dev/quarto-markdown posit::conf(2025) Subscribe to posit::conf updates: https://posit.co/about/subscription-management/

Carlos Scheidegger

Nov 7, 2025

5 min

Quarto rstudio rstudio-conf Posit::conf(2025) Rstats Python Data Data Science Ai

video

Never again in outer par mode: making next-generation PDFs with Quarto & typst - posit::conf(2023)

Never again in outer par mode: making next-generation PDFs with Quarto & typst - posit::conf(2023)

Presented by Carlos Scheidegger Quarto 1.4 will introduce support for Typst. Typst is a brand-new open-source typesetting system built from scratch to support the lessons we have learned over almost half a century of high-quality computer typesetting that TeX and LaTeX have enabled. If you've ever had to produce a PDF with Quarto and got stuck handling an inscrutable error message from LaTeX, or wanted to create a new template but were too intimated by LaTeX's arcane syntax, this talk is for you. I'll show you why we need an alternative for TeX and LaTeX , and why it will make Quarto even better. Presented at Posit Conference, between Sept 19-20 2023, Learn more at posit.co/conference. -------------------------- Talk Track: Quarto (2). Session Code: TALK-1142

Carlos Scheidegger

Dec 15, 2023

19 min

Quarto 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