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about about posit our ai work our python work our r work community support software for data science scientific research and technical communication our tools are designed to help you do better work whether you re analyzing data building models creating visualizations or sharing insights learn more about us core projects we believe powerful data science tools should be open accessible and community driven that s why our core tools are free and open source from rstudio ide and the tidyverse to quarto and positron we re committed to supporting multiple languages and workflows because your choice of tools should fit your work not the other way around open source software for r from the tidyverse to tidymodels we maintain a robust human readable ecosystem of r packages and tools learn about our r tools open source software for python we build native python libraries that solve challenges in data presentation interactivity and more learn about our python tools technical scientific publishing quarto allows you to create reproducible documents presentations and websites with r python julia and observable quarto web applications for data science shiny enables you to build and deploy performant reactive web applications using r or python without requiring web development skills shiny for r shiny for python ides for data science rstudio and positron provide purpose built environments for code first data science analysis and exploration rstudio positron ai tools for data science leverage ai tools in your data workflow while keeping your results accurate transparent and reproducible our ai tools featured software explore some of our newest and most innovative packages these tools represent our most significant open source investments at the moment and we encourage the community to explore them and help shape their direction 332 mirai minimalist async evaluation framework for r artificial intelligence data wrangling interactive apps machine learning 4 1k positron positron a next generation data science ide best practices interactive apps 393 duckplyr a drop in replacement for dplyr powered by duckdb for speed data wrangling browse all software latest from the blog recent releases project deep dives and updates from across our open source ecosystem aug 21 2026 cuda ml 0 4 0 gpu accelerated machine learning from r cuda ml 0 4 0 simplifies installation expands tidymodels integration and tree ensemble inference and adds portable persistence for supported fitted models tomasz kalinowski aug 18 2026 python polars the definitive cheatsheet we compressed our nearly 500 page polars book into a free two page cheatsheet available as a printable pdf and an accessible html version jeroen janssens thijs nieuwdorp aug 17 2026 neural networks in orbital for python 0 6 0 pytorch straight to your database orbital 0 6 0 adds neural network support pytorch and scikit learn mlps compile to plain sql no python runtime required at inference alessandro molina read all blog posts popular cheatsheets quick reference guides for our most popular packages and tools python polars the definitive cheatsheet quick reference guide for transforming analyzing and visualizing data with python polars jeroen janssens thijs nieuwdorp great tables plotnine machine learning with tidymodels a map of the tidymodels packages grouped by where each one fits in the machine learning workflow edgar ruiz tidymodels create models with parsnip quick reference guide for create models with parsnip edgar ruiz parsnip browse all cheatsheets featured videos watch tutorials conference talks and deep dives from our team and community members jul 24 2026 51 min 48 views live tidytuesday data viz workflow nicola rennie data science lab the data science lab is a live weekly call register at pos it dslab discord invites go out each week on lives calls we d love to have you the lab is an open messy space for learning and asking questions think of it like pair coding with a friend or two learn something new and share what you know to help others grow on this call libby heeren is joined by nicola rennie who walks through her process for making a tidytuesday data visualization in r live coding a chart from scratch and sharing the workflow tricks she s built up over five years of doing tidytuesday nicola takes this week s tidytuesday twin cities dataset and builds a colorful sunburst radial chart from scratch showing how she decides what to plot wrangles the data with dplyr and makes it pretty using showtext fonts rcartocolor palettes colored text legends and the ggview package for previewing plots at exactly the size they ll save at along the way she shares the templates and helper packages she s made to save time every week can you tell she s a pro since tidytuesday data is public you can grab the same dataset and follow along too hosting crew from posit libby heeren isabella velasquez socials and websites nicola rennie s blog https nrennie rbind io nicola rennie s github https github com nrennie nicola rennie s bluesky https bsky app profile nrennie bsky social nicola rennie s linkedin https www linkedin com in nicola rennie nicola rennie s mastodon https fosstodon org deck nrennie resources mentioned in the video and chat nicola s code from this session https nrennie rbind io talks posit ds lab tidytuesday on github https github com rfordatascience tidytuesday nicola s templates package https github com nrennie templates showtext package fonts in r https github com yixuan showtext ggview package preview plots at save size https github com idmn ggview rcartocolor package accessible color palettes https nowosad r universe dev rcartocolor ggtext package styled colored text https wilkelab org ggtext ggiraph package interactive ggplots https davidgohel github io ggiraph marquee package markdown text in r graphics https marquee r lib org nicola s book the art of data visualization with ggplot2 https nrennie rbind io art of viz bootstrap icons https icons getbootstrap com okpalette extract a palette from a photo https okpalette color pizza subscribe to our channel here https bit ly 2tzgcou follow us here website https www posit co hangout https pos it dsh the lab https pos it dslab linkedin https www linkedin com company posit software bluesky https bsky app profile posit co thanks for hanging out with us timestamps 00 00 introduction 01 18 reviewing the tidytuesday twin cities dataset 03 41 demoing tidytuesday template files and r package setup 07 25 do showtext and systemfonts do different things 09 04 loading and prepping the links and cities datasets 11 45 exploring and filtering the dataset to a chosen city 17 25 demoing a shiny app to copy previous tidytuesday chart code 23 56 demoing sunburst chart creation with coord_radial 25 47 can you say why you used mutate rather than summarize 31 09 adding custom colors with the rcartocolor package 33 57 demoing colored subtitle text with the ggtext package 40 38 attempting to make the chart interactive with the ggiraph package 43 32 adding automated social and source captions 46 26 so you can save a plot with the canvas call and it doesn t mess up the ggplot object 49 55 if people would like to keep up with you and see your posts what s the best way to do that dplyr ggplot2 shiny systemfonts jul 24 2026 0 min 9 views python libraries for the polars pilled what do you wish existed for polars datascience datasciencetok python swe datavisualization dataanalytics codinglife vscode ide rstudio positron pycharm jupyter cursor windsurf positshorts polars datavalidation validation pydantic positron rstudio rstudio data science machine learning python stats tidyverse data visualization data viz ggplot technology coding connect server pro 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 reticulate jul 23 2026 56 min 1 1k views mind blowing quarto slide extensions ️ emil hvitfeldt data science lab the data science lab is a live weekly call register at pos it dslab discord invites go out each week on lives calls we d love to have you the lab is an open messy space for learning and asking questions think of it like pair coding with a friend or two learn something new and share what you know to help others grow on this call libby heeren is joined by emil hvitfeldt who walks through the art of slide crafting in quarto and shows off the collection of reveal js extensions he s been building to make slides way more fun and powerful emil starts with the basics of building slides in quarto with the reveal js format fragments columns a little css and explains how quarto extensions differ from packages then he shows off the good stuff imessage style chat bubbles hand drawn rough notation highlighting and annotations ️ the flourish extension for animating code chunks gorgeous reusable themes and his in progress editable extension that lets you drag resize and restyle slide elements right in the browser and save the changes back to your source and spoiler his editable extension is much further along as of the publishing of this video if you ve ever fought with slide layouts there is definitely something here you can try at home hosting crew from posit libby heeren isabella velasquez emil s socials and urls website https emilhvitfeldt com github https github com emilhvitfeldt bluesky https bsky app profile emilhvitfeldt bsky social linkedin https www linkedin com in emilhvitfeldt resources mentioned in the video and chat emil s github home of his quarto extensions https github com emilhvitfeldt quarto revealjs editable extension https github com emilhvitfeldt quarto revealjs editable quarto revealjs rows extension shared by emil after the session https github com emilhvitfeldt quarto revealjs rows quarto reveal js documentation https quarto org docs presentations revealjs quarto reveal js demo slides https quarto org docs presentations revealjs demo title slide news quarto 2 quarto in rust https quarto org docs blog posts 2026 04 06 whats next quarto 2 dynamic tabsets in quarto josh cowley https josh quarto pub posts 2022 11 10 quarto tabsets update 2022 11 10 quarto tabsets update html embedding reveal js via iframe quarto source example https github com quarto dev quarto web blob main docs presentations revealjs index qmd l12 l14 posit conf 2026 https conf posit co 2026 r medicine conference https rconsortium github io rmedicine_website muntasir masum s slides repo https github com muntasirmasum epi553 data viz example quarto slides nicola rennie styling charts https nrennie rbind io mfc cdt data viz slides styling charts r html example quarto slides colin madland https cmadland github io slides colin madland s slides repo https github com cmadland slides example quarto slides raha dastgheyb r medicine 2024 https rdastgh1 quarto pub rmedicine 2024 scidatareportr title slide subscribe to our channel here https bit ly 2tzgcou follow us here website https www posit co hangout https pos it dsh the lab https pos it dslab linkedin https www linkedin com company posit software bluesky https bsky app profile posit co thanks for hanging out with us timestamps 00 00 introduction 01 22 demoing a primer on reveal js slides in quarto 05 11 does that pdf export still use pandoc or is there an option of exporting via typst 08 17 demoing slide crafting with a new quarto document 11 24 demoing how to download and use a quarto template 14 01 is this ui you re using for slide generation exclusive to positron 16 16 demoing how to install a quarto extension from the terminal 18 45 is there a maximum number of columns you can have 19 18 demoing adding custom css classes to slide columns 23 03 do we know if extensions will still be submitted to the openvsx marketplace 25 11 are these quarto extensions global or are they per project 27 42 when you change the text fonts inside those columns could you do it for all the columns at once maybe by changing the top div 29 31 do you also get grid logic like you have with css grid 31 54 demoing quarto vs code extensions for autocomplete and shortcodes 34 32 demoing the chat bubbles extension 37 38 demoing the rough notation extension for highlighting text fragments 40 20 demoing the flourish extension for highlighting code chunks 43 07 demoing the editable extension for dragging and adjusting slide elements 49 28 demoing custom reveal js slide themes 52 26 is there a quarto extension that can help dynamically create tabs or chunks see dynamic tabs link in the resources above 53 58 explaining the default code chunk highlighting feature in quarto 55 11 how do you embed a reveal js site into another quarto document emil hvitfeldt positron quarto revealjs watch all videos upcoming events join us at conferences meetups and workshops around the world where we share our latest work and connect with the community sep 10 11 2026 amsterdam nl pydata amsterdam 2026 pydata amsterdam is a 2 day conference for the international community of users and developers of data analysis tools to share ideas and learn from each other sep 14 16 2026 houston tx usa posit conf 2026 our annual event brings together data enthusiasts professionals developers and innovators for an unforgettable three days of learning connection and inspiration sep 17 2026 houston tx usa tidy dev day 2026 tidy dev day tdd is a community event where r developers and open source contributors gather to collaboratively tackle real issues across the tidyverse ecosystem see all events about us rstudio now posit pbc was founded in 2009 with the vision of creating high quality open source software for data scientists while our scope has expanded far beyond those early days our core mission has never wavered our open source work is supported by the mission of posit we are a pbc that both sells software and supports the wider data science community with free software open access books and more learn more about our mission the open source team is a global team of engineers educators and data scientists we build better tools for data science and participate in the open source community that use them meet the team get involved this website is open source we welcome contributions bug reports and feedback your input helps make this resource better for everyone contribute on github open source software and tools for data science visit posit co to learn how our enterprise products allow you to use open source tools securely more collaboratively and at scale navigate software people events resources blog about learn posit co about posit support github subscribe connect github mastodon bluesky linkedin youtube rss feeds plausible 2026 posit software pbc all rights reserved privacy code of conduct filters filter by type select all clear all 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