Blog - #data-science
Markdown guides, tutorials, and tips for developers, writers, and students.
What Is R Markdown? Reports, Code and Output in One File
What is R Markdown? How .Rmd files run R code and render reports, a copy-ready first document, and how it compares with Quarto and Jupyter. Try our free editor.
Headings in Jupyter Notebook: Markdown Cell Guide
Fix headings in Jupyter Notebook that show as plain text: Esc, M, 1-6 shortcuts, heading anchors, the TOC panel, and the export title. Try our free editor.
R Markdown Tables: kable, gt, and Manual Tables
Build an r markdown table three ways: a manual pipe table, knitr::kable(), or kableExtra, gt, and flextable. See what knits to HTML, PDF, and Word. Try it free.
RMarkdown Header: YAML Options and Headings (2026)
Learn what an rmarkdown header is: section headings vs the YAML block, each field for HTML, PDF, and Word, and the errors to avoid. Try our free editor.
Quarto Markdown: Publish Reports from .qmd Files
Quarto markdown explained: what a .qmd file adds to Markdown, callouts, cross-references, cell options, and how to render HTML and PDF. Try our free editor.
Markdown Kibana Guide: Text Panels for Dashboards (2026)
How markdown Kibana text panels work: which GFM syntax renders, three copy-paste dashboard panel patterns, and what TSVB and Canvas add. Try our editor.
R Markdown Cheat Sheet: Syntax, Chunks, and Output
R Markdown cheat sheet with YAML headers, knitr code chunks, inline R, and output format options. Quick reference for R users and data analysts.