Emil Hvitfeldt - Blog

Slidecraft 101: Fragments - JS

slidecraft 101

quarto

Fragments are powerful tools in revealjs to allow for changes within slides

Slidecraft 101: Fragments - CSS

slidecraft 101

quarto

Fragments are powerful tools in revealjs to allow for changes within slides

Slidecraft 101: plot sizing

slidecraft 101

quarto

Plots and charts are useful in slides. Sizing them correctly makes them stand out and be readable.

Slidecraft 101: plot backgrounds

slidecraft 101

quarto

Plots and charts are useful in slides. Changing the background makes them fit in.

Slidecraft 101: Creative uses of SASS loops

slidecraft 101

quarto

Using nested for loops in SASS to create many CSS classes

Slidecraft 101: Using asciicast

slidecraft 101

quarto

Using sass interpolation, functions and mixin for the most in your style sheets

Slidecraft 101: Better SCSS files

slidecraft 101

quarto

Using sass interpolation, functions and mixin for the most in your style sheets

Managing python for R package development

package development

Some R packages use python, and setting up good practices makes the development easier.

Slidecraft 101: Layout

slidecraft 101

quarto

Placement of the different elements on a slide can change everything

Sharing Pictures of Code

Many different ways to share pictures of code

Slidecraft 101: 7 Tips and Tricks

slidecraft 101

quarto

7 quick tips and tricks

Slidecraft 101: Advanced slide themes

slidecraft 101

quarto

Creating full themes with sass

Slidecraft 101: theme variants

slidecraft 101

quarto

All about theme variants in slidecrafting

Slidecraft 101: Code and Output

slidecraft 101

quarto

All about styling code and output in slidecrafting

Slidecraft 101: Colors and Fonts

slidecraft 101

quarto

All about colors and fonts in slidecrafting

Supervised Machine Learning for Text Analysis in R

smltar

book

Story about “Supervised Machine Learning for Text Analysis in R” Book

xaringan first-letter

xaringan

I recently saw the use of the ::first-letter pseudo selector and I was hooked! and I was hooked! This selector allows you to style the first letter in a block, sometimes…

xaringancolor announcement

xaringan

Announcement post for the xaringancolor package.

Textrecipes Version 0.4.0

tidymodels

textrecipes

I’m happy to announce that version 0.4.0 of textrecipes got on CRAN a couple of days ago. This will be a brief post going over the major additions and changes.

Textrecipes series: Pretrained Word Embedding

tidymodels

textrecipes

textrecipes series

This is the fifth blog post in a series I am starting to go over the various text preprocessing workflows you can do with textrecipes. This post looks at how to use pretrained word embeddings.

Supervised Machine Learning for Text Analysis in R

smltar

book

Announcement post for Supervised Machine Learning for Text Analysis in R book.

Textrecipes series: Feature Hashing

tidymodels

textrecipes

textrecipes series

This is the fourth blog post in a series I am starting to go over the various text preprocessing workflows you can do with textrecipes. This post looks at how to perform feature hashing.

Textrecipes series: TF-IDF

tidymodels

textrecipes

tidytuesday

textrecipes series

This is the first blog post in a series I am starting to go over the various text preprocessing workflows you can do with textrecipes. This post looks at how

Textrecipes series: lexicons

tidymodels

textrecipes

tidytuesday

textrecipes series

This is the second blog post in a series I am starting to go over the various text preprocessing workflows you can do with textrecipes. This post talks about how to use lexicons.

Textrecipes series: Term Frequency

tidymodels

textrecipes

tidytuesday

textrecipes series

This is the first blog post in a series I am starting to go over the various text preprocessing workflows you can do with textrecipes.

tidytuesday: Part-of-Speech and textrecipes with The Office

tidymodels

textrecipes

tidytuesday

Using Part-of-Speech features to enhance text classification.

Word Rank Slope Charts

tidytext

I have been working on visualizing how different kinds of words are used in texts and I finally found a good visualization style with the slope chart. More specifically I’m…

Using stm to Investigate if Stemming is Appropriate

tidytext

Using stm to Investigate if Stemming is Appropriate

Use prismatic with after_scale() for finer control of colors in ggplot2

color palettes

ggplot2

With the release of version 3.3.0 of ggplot2 came the ability to have more control over the aesthetic evaluation. This allows us to modify the colors of the mapped palettes…

Deploy your bookdown project to Netlify with Github Actions

his post will show you how you can set up a bookdown site with Netlify using Github Actions.

Real Emojis in ggplot2

ggplot2

emoji

Emojis are now fully supported in {ggplot2} thanks to the {ragg} package. Read more about it here: Modern Text Features in R.

Paletteer version 1.0.0

ggplot2

color palettes

Announcement of version 1.0.0 of the {paletteer} package that.

Refactoring Tests

package development

This shows an experimental take on how you can refactor tests into functions.

Manipulating colors with {prismatic}

ggplot2

color palettes

I’m happy to announce my newest package prismatic which facilitates simple manipulations of colors. I had been working on this package online and offline for some time, but…

Authorship classification with tidymodels and textrecipes

tidymodels

textrecipes

An early attempt at using tidymodels to perform text classification.

Creating RStudio addin to modify selection

Creating addins to be used in RStudio.

Changing Glyph in legend in ggplot2

ggplot2

The newest version of ggplot2 3.2.0 gave us the ability to change the glyph in the legend like so

Custom Profiler in R

package development

This blog post is going to describe how to write a customizable profiling function

Center continuous palettes in ggplot2

ggplot2

This blog post will show you how to properly use a divergent color palette with a user-specified midpoint.

Circle Love - making hearts with circles

generative art

Generative art, pretty hearts with circles.

Text Classification with Tidymodels

tidymodels

An early attempt at using tidymodels to perform text classification.

usethis workflow for package development

package development

A quick overview on how to get started with creating an R package with the help of usethis.

What are the reviews telling us?

ggplot2

tidytext

We will scrape and analyze IMDb reviews. We will try using log odds to tell good and bad reviews apart.

ggplot2 trial and error - US trade data

ggplot2

This blog post will showcase an example of a workflow and its associated thought process when iterating through visualization styles working with ggplot2.

Emoji use on Twitter

ggplot2

tidytext

emoji

This post will be a short demonstration of how the occurrence of emojis on Twitter can be analyzed using tidytools.

Using PCA for word embedding in R

tidytext

A brief look at using PCA as a word embedding technique.

Analysing ethnic diversity in Californian school

ggplot2

An interesting study of a measure of diversity. This diversity measure was then applied to schools in California.

ggpage version 0.2.0 showcase

ggplot2

highlights of the ggpage package. It provides unique text-based visualizations.

Binary text classification with tidytext and caret

tidytext

One of my first attempts at text classification. This example uses tidytext and caret. There are mistakes here methodically and it should not be used as a guide.

Recreate - Sankey flow chart

ggplot2

This entry in the recreate series explores how gganimate can be used to create Sankey flow charts.

Tidy Text Summarization using TextRank

tidytext

I’m taking a look at text summarization using the TextRank package.

Co Occurrence of Characters in Les Miserable

ggplot2

tidytext

I’ll be creating a new spin on the Les Miserable character co-occurrence graph by using Named Entity Recognition to detect the characters.

Rvision: A first look

Recently I stumbled across the Rvision package, which frankly looks amazing so far. So I decided to take it for a spin and show you what I found.

Predicting authorship in The Federalist Papers with tidytext

tidytext

My first attempt at performing supervised predictive modeling using text features.

Visualizing trigrams with the Tidyverse

tidytext

ggplot2

I try my hand at a unique visualization of token trigrams.

Purrr - tips and tricks

With the advent of purrrresolution on Twitter I’ll throw my 2 cents in in form of my bag of tips and tricks.

Recreate - Sunshine Report

ggplot2

This mini-series (of in-determined length) will I try as best as I can to recreate great visualizations in tidyverse.

Analysing useR!2017 schedule data

tidytext

I enjoyed my first useR! conference so very much, so it is only natural thing for me was to explore the schedule to create some visualizations.

Repetition in musicals with tidytext

tidytext

A project looking at repetition in song lyrics. Using {rvest} to perform web scraping (now outdated) to fetch lyrics from genius.com.

2017 World Press Freedom Index with emojis

ggplot2

emoji

A first (now outclassed) attempt at using emojis in ggplot2. This post combines the hadley/emo package and data from the 2017 World Press Freedom Index.