John Little

1.42K subscribers

57 videos

I am the Data Science Librarian at the Duke University Libraies. I'm a member of the Center for Data & Visualization Sciences: https://library.duke.edu/data/...

Latest Videos

Iterate readxl workflows

Import compressed files into R

Tidy variable names and the snake case with janitorclean_names()

Iterating functions w nested data - case study transform excel workbooks & worksheets to tidy data

Cleaning data tidying excel worksheets embedded within a workbook

Custom functions, tidy evaluation, and data masking

case_when() - a vectorized if_else()

Separate multivalue fields

regex finding patterns in [text] strings

nest() data frames then iterate with purrrmap()

purrrmap - VERY basic part 2 iterating functions to import multiple files from local file system

Import multiple files from a local file system iterate functions [Rfun]

quickStart with R (part 2) visualization, pivot, join, regression (3rd Edition)

quickStart with R (Part 1) Getting started, data wrangling, and EDA (Part 1)

An Introduction to Reproducible Research Practices

deprecated. quickStart with R Getting started, data wrangling, and EDA (Part 1)

Designing a Reproducible Workflow with R and GitHub

Sentiment analysis with tidytext (R case study, 2021)

Slides with Rmarkdown xaringan (R case study, 2021)

Twitter data with rtweet (R case study)

Web scraping with rvest (R Case Study). Use RVEST to scrape and crawl websites then parse the HTML.

Public datasets and BigQuery w dplyr - Use RTidyverse to query remote relational databases via SQL

Version Control with Git, GitHub, R, RStudio Projects, and usethis

Flipped R (Visualization, join, pivot) part2 - the workshop recording

Flipped R intro part 1 - the workshop recording

RTidyverse quick start (part of the Rfun Introduction to R series)

Visualization with ggplot2 (part of the Rfun Introduction to R series)

Exploratory data analysis (EDA) with skimr (part of the Rfun Introduction to R series)

Join or merge data (part of the Rfun Introduction to R series)

Tidy data & pivot data (part of the Rfun Introduction to R series)