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Andy Teucher

Posts and resources by Andy Teucher#

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String manipulation with stringr

Manipulate character strings in R with stringr to detect, subset, transform, join, split, and match patterns using regex

Garrett Grolemund, Mine Çetinkaya-Rundel, Averi Perny, Andy Teucher, Ryan Zomorrodi, Curtis Kephart, Elen Le Foll, David Díaz Rodríguez

stringr

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RStudio IDE

Navigate the RStudio IDE’s source editor, pane layout, Git integration, debugging tools, code diagnostics, and keyboard shortcuts

Garrett Grolemund, Mine Çetinkaya-Rundel, Averi Perny, Curtis Kephart, Andy Teucher, David Díaz Rodríguez

rstudio

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rmarkdown

Produce dynamic reports, presentations, and dashboards by weaving R code and Markdown text together in.Rmd files rendered to HTML, PDF, or Word

Mine Çetinkaya-Rundel, Averi Perny, Garrett Grolemund, Andy Teucher, Curtis Kephart, David Díaz Rodríguez

rmarkdown

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REST APIs with plumber

Turn R functions into REST API endpoints using plumber, with filters, parsers, serializers, routing, and Swagger documentation support

Mine Çetinkaya-Rundel, James Blair, Andy Teucher, Curtis Kephart, Averi Perny, David Díaz Rodríguez

plumber

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Package Development

Build R packages using devtools and usethis to set up structure, write and document code with roxygen2, test with testthat, and publish

Mine Çetinkaya-Rundel, Garrett Grolemund, Andy Teucher, Curtis Kephart, Averi Perny, David Díaz Rodríguez

devtools usethis

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Importing data with the tidyverse

Learn about readr, readxl, haven, and googlesheets4

Garrett Grolemund, Mine Çetinkaya-Rundel, Averi Perny, Andy Teucher, Curtis Kephart, Hadley Wickham, David Díaz Rodríguez

readr readxl haven googlesheets4

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Factors with forcats

Work with categorical data in R using forcats to create, inspect, reorder, recode, and collapse factor levels

Mine Çetinkaya-Rundel, Averi Perny, Andy Teucher, Curtis Kephart, Garrett Grolemund, David Díaz Rodríguez

forcats

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Data visualization with ggplot2

Build graphics layer by layer with ggplot2 using the grammar of graphics: data, aesthetics, geoms, stats, scales, coordinates, and themes

Mine Çetinkaya-Rundel, Garrett Grolemund, Averi Perny, Curtis Kephart, Andy Teucher, Thomas Lin Pedersen, David Díaz Rodríguez

ggplot2

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Data transformation with dplyr

Manipulate data frames with dplyr using filter, select, mutate, summarize, join, and group operations in a consistent, pipeable API

Garrett Grolemund, Mine Çetinkaya-Rundel, Averi Perny, Andy Teucher, Curtis Kephart, David Díaz Rodríguez

dplyr

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Data tidying with tidyr

Reshape data to tidy format with tidyr using pivot functions, handle missing values, and split or combine columns

Mine Çetinkaya-Rundel, Garrett Grolemund, Averi Perny, Andy Teucher, Curtis Kephart, David Díaz Rodríguez

tidyr

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Data science in Spark with sparklyr

Connect to Apache Spark from R with sparklyr to import, wrangle with dplyr, model with MLlib, and communicate large-scale data results

Mine Çetinkaya-Rundel, Garrett Grolemund, Edgar Ruiz, Andy Teucher, Curtis Kephart, David Díaz Rodríguez

sparklyr

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Apply functions with purrr

Apply functions over lists and vectors with purrr’s map, map2, and pmap families, and work with reduce, walk, and list manipulation tools

Garrett Grolemund, Mine Çetinkaya-Rundel, Averi Perny, Andy Teucher, Curtis Kephart, Hadley Wickham, Marie-Helene Burle, David Díaz Rodríguez

purrr

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Use Python with R with reticulate

Call Python from R, import modules, source scripts, and pass objects between languages using reticulate with automatic virtual environment management

Edgar Ruiz, Mine Çetinkaya-Rundel, Andy Teucher, Tomasz Kalinowski, Averi Perny, Garrett Grolemund, Curtis Kephart, David Díaz Rodríguez

reticulate

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Deep Learning with Keras

Build, train, and evaluate neural networks in R with keras3, covering layers, preprocessing, model compilation, fitting, and callbacks

Edgar Ruiz, Mine Çetinkaya-Rundel, Garrett Grolemund, Andy Teucher, Tomasz Kalinowski, Andrie De Vries, David Díaz Rodríguez

keras3

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Shiny for R

Build interactive web apps in R by pairing a reactive UI with a live R server session, and share them via Posit Connect, Posit Connect Cloud, or Shinylive

Mine Çetinkaya-Rundel, Garrett Grolemund, Andy Teucher, Carson Sievert, Averi Perny, Greg Swinehart, Isabella Velásquez, Curtis Kephart, Frank Briody, Edgar Ruiz, David Díaz Rodríguez

Shiny

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Dates and times with lubridate

Parse, manipulate, and perform arithmetic on dates, times, and date-time objects in R using lubridate

Garrett Grolemund, Mine Çetinkaya-Rundel, Andy Teucher, Averi Perny, Curtis Kephart, Mara Averick, Wouter Overmeire, David Díaz Rodríguez

lubridate

blog post

Jun 7, 2023

Package spring cleaning

When Spring comes around, it’s time to embark on some Spring Cleaning to take care of the package maintenance tasks that you never seem to get around to. This post outlines the processes and tools that the tidyverse team uses to make this job fun and efficient

Andy Teucher

blog post

New CRAN requirements for packages with C and C++

Mar 30, 2023

New CRAN requirements for packages with C and C++

A few recent changes in CRAN requirements for packages containing C or C++ code have caused package developers some headaches. This post outlines the issues and provides solutions the tidyverse team has used to address them

Andy Teucher