coolbutuseless

Package Development Update 2021-04-01

Introducing 'fugly' - fast regular expression substring extraction with named capture groups 2021-03-19

On 'on.exit()' - Part 2 2021-03-12

On 'on.exit()' 2021-03-12

Modifying R6 objects after creation - Part 2 2021-02-20

Modifying R6 objects after creation 2021-02-19

A Simple Ray-Tracer Written in Base R 2021-02-15

From the time before Tetris - 'Beat the Computer' puzzles 2021-01-27

Introducing {wingspan} - data about the cards in the Wingspan boardgame 2021-01-18

Introducing flexo - simple lex/parse tools in R 2020-12-07

Introducing ggrgl - a 3d extension to ggplot 2020-12-02

Demo: Rendering Images in Polygons with {ggplot2} and {ggpattern} 2020-11-18

Play Zork in RStats 2020-11-15

{emphatic} v0.1.3 - highlight data.frame output with ANSI - Added legends & support for vectors 2020-11-11

A Chess Engine in RStats (Proof-of-Concept using Stockfish) 2020-11-05

Parsing Forsyth Edwards Notation for Chess in RStats 2020-11-05

Parsing Chess PGN files in RStats 2020-11-04

Knight's Tour Problem 2020-11-03

8 Queens Chess Problem 2020-11-02

Introducing 'emphatic' - highlight data.frames in the R console 2020-10-30

Introducing 'purler' - fast run-length encoding with data.frame output 2020-10-14

Introducing geomlime 2020-10-13

Introducing devoutrgl - a 3d graphics device targetting rgl 2020-10-06

A level 3 menger sponge in R 2020-09-27

Introducing the {triangular} package for decomposing complex polygons to triangles 2020-09-26

What's the upper limit on serialization speed in R? 2020-09-22

xxhashlite - hash arbitrary R objects as fast as possible 2020-09-22

Introducing serializer - a demonstration pkg illustrating how to use R's serialiation from C 2020-09-18

Creating a data.frame in C 2020-09-16

Introducing 'snowcrash' - a package to encode arbitrary R objects into image representations 2020-09-11

Introducing 'cryogenic' - a package to freeze function calls to modify and evaluate later 2020-09-09

Inserting rgl as webgl in an Rmarkdown document - Part 2 2020-09-07

Inserting rgl as webgl in an Rmarkdown document 2020-09-07

Introducing 'insitu' - functions for in-place modification 2020-09-03

Run-Length Encoding and The Problem of NAs 2020-08-26

Introducing 'chipmunkcore' - a wrapper for the chipmunk2d physics simulation c library 2020-08-20

Introducing 'cairobasic' - an R6 wrapper around cairocore 2020-08-18

Introducing 'cairocore' - fast 2d drawing canvas backed by cairo 2020-08-17

Introducing 'spng' - In-memory decoding of PNG images 2020-08-05

Introducing 'pixelweaver' - Convert arrays/matrices to packed ARGB32 colour format 2020-08-03

Introducing 'simpletrie' - a simple trie written in pure R (a.k.a. a tool for cheating at scrabble) 2020-08-01

Introducing 'frak' - a julia set fractal generator 2020-07-16

Introducing 'displease' - a package for non-linear numeric inteprolation 2020-07-14

Introducing 'miranda' - a package of fast, modern, uniform pseudo-random number generators 2020-07-09

The quality of R's Random Number Generators 2020-07-07

Introducing terse - a package for compact output of lists and data.frames 2020-07-01

simplec, simplecall, simplercpp - demo packages incorporating C code 2020-06-30

Introducing 'zstdlite' - fast, configurable, in-memory compression of numeric vectors with Zstandard 2020-06-19

Introducing 'lz4lite' - extremely fast compression with LZ4 2020-06-16

Introducing 'xxhashr' - extremely fast hashing with xxHash 2020-06-12

Introducing the 'defaultlist' package - R list objects with a user-defined default value. 2020-05-13

defaultlist - an R list with a user-defined default value. Take 2 2020-05-12

defaultlist - an R list with a default value 2020-05-11

Introducing 'gridfont' - a vector font 2020-05-08

Introducing 'arcadefont' - an oldschool arcade vector font (Happy Star Wars Day) 2020-05-04

Introducing devoutansi - an ANSI graphics device 2020-04-30

Introducing miniansi - a package for creating simple ANSI documents 2020-04-29

Scanline Polygon Fill Algorithm in Plain R (with bonus ANSI colour!) 2020-04-28

Introducing 'ransid' - a simple image to ANSI converter 2020-04-27

Introducing devoutdrawio - A graphics device which outputs to draw.io format 2020-04-23

Introducing minidrawio - create simple draw.io documents in R 2020-04-22

Manipulate CSV files on the command line with dplyr-cli 2020-04-20

Racing Barplots with {ggpattern}, {flagon} & {gganimate} 2020-04-12

Introducing 'flagon' - A package of just flag images in PNG and SVG format 2020-04-03

Introducing 'optout' - A package for optimizing graphics output 2020-04-03

Introducing ggpattern - pattern fills for ggplot 2020-04-01

Line Segment/Box Intersection Test 2020-03-01

My mental model of how alpha works is wrong 2020-02-14

Introducing the {ggblur} package 2020-02-11

Drawing with epicycles in R 2019-12-31

dplyr::ungroup() - forget me not. Part 4. 2019-12-06

dplyr::ungroup() - forget me not. Part 3. 2019-11-22

dplyr::ungroup() - forget me not. Part 2. 2019-11-20

dplyr::ungroup() - forget me not 2019-11-19

Introducing {devoutsvg} - SVG graphics output device with pattern fills 2019-10-10

Introducing {svgpatternusgs} - a collection U.S. Geological Survey repeating SVG patterns 2019-10-10

Introducing {svgpatternsimple} - a collection of simple repeating SVG patterns 2019-10-09

The {miniverse} - a collection of document creation packages for RStats 2019-10-09

Introducing {minisvg} - create SVG documents with R 2019-10-08

The {devoutverse} - a collection of non-standard graphics output devices for RStats 2019-10-08

Introducing {devoutpdf} - a hand-crafted PDF graphics device written in plain R 2019-10-07

Introducing {devoutaudio} - an experimental package for rendering graphics as audio 2019-10-04

Re-introducing devout - a package for creating graphics output devices in plain R 2019-10-03

Introducing the `minixml` package for creating XML documents in R 2019-09-30

Introducing the `hershey` package - raw data for the Hershey Vector Fonts 2019-09-24

Introducing the `minihtml` package for creating HTML documents in R 2019-09-19

Introducing the `minizdog` package for creating zdog 3d illustrations in R 2019-09-17

Introducing the `minicss` package for creating CSS styles and stylesheets in R 2019-09-11

Introducing the `minipdf` package for writing raw PDFs 2019-08-14

Introducing the `lofi` package for low-fidelity/low-bit data representations 2019-08-06

Using random bits to generate random numbers 2019-07-19

poissoned - a package for poisson disc sampling 2019-06-25

Drawing Fractals with grid graphics - part 2 2019-04-29

Drawing Fractals with grid graphics - part 1 2019-04-27

Introducing the ggreverse package for turning ggplots back in to code 2019-04-26

Reverse engineer the ggplot call from a ggplot object 2019-04-26

Every possible scatterplot from a data.frame (32 thousand plots of `mtcars`) 2019-04-25

GIF image writing in pure R 2019-04-23

Twitter #rstats activity 2019-04-09

Outputting data to images 2019-04-08

Red/Blue Analglyphs with ggplot2 and ggthreed 2019-04-02

ggdebug - v0.1.1 2019-04-01

ggdebug - a package for debugging ggplot stats 2019-03-26

ggecho - an experimental ggplot stat for blurring elements 2019-03-22

geom_blurry() - proof of concept 2019-03-19

Introducing the `analemmatic` Package for Creating Analemmatic Sundials 2019-03-19

group_map() in dplyr 0.8.1 (still in development) 2019-03-17

group_split/map/modify() in dplyr 0.8.1 (still in development) 2019-03-15

Anonymous Functions in R - Part 3: Introducing the 'anon' package 2019-03-14

Anonymous Functions in R - Part 2 2019-03-13

Anonymous Functions in R - Part 1 2019-03-13

image2xlsx package: Converting an image to an excel spreadsheet 2019-03-09

Custom axis breaks on facetted ggplot 2019-03-07

Converting an image to an excel spreadsheet 2019-03-03

object of type 'closure' is not(?) subsettable 2019-02-12

8 out of 10 cats does countdown - part 2 2019-02-11

8 out of 10 cats does countdown 2019-02-04

Interleaving vectors and matrices - part 3 2019-01-31

Interleaving vectors and matrices - part 2 2019-01-30

Interleaving vectors and matrices (part 1) 2019-01-29

Puzzle Solving: Dominosa 2019-01-28

split-apply-combine with `group_map` 2018-12-31

R packages - internal and external data 2018-12-10

phon - a package for rhymes etc 2018-12-03

grrr - a package for changing default function arguments 2018-11-20

ggthreed - 3d pie charts 2018-11-13

threed - drawing a cube in ggplot2 2018-11-12

Parsing a favicon with {minitypes} 2018-11-06

Minitypes - vector type conversion 2018-11-06

facet_inception() 2018-10-31

Creating fractals with ggplot2 and patchwork 2018-10-30

engroupify: A function to transform other functions to be aware of dplyr groups 2018-10-11

Writing a function which respects `dplyr::group_by()` 2018-10-09

Introducing the `memoisetools` package 2018-10-08

Using LZ4 and Zstandard to compress files with `saveRDS()` 2018-10-02

Memoisation 2018-10-01

Writing a nonogram solver in R 2018-09-28

Creating nonograms with 'nonogram' and 'magick' packages 2018-09-27

Nonograms in R - 'nonogram' package 2018-09-26

Memoise with object size limit 2018-09-24

The Zombie/Vampire Apocalypse - A use case for strict membership tests 2018-09-21

strict `case_when` - bugfix 2018-09-20

Find all sequences of a given length with the given sum 2018-09-20

Intersection of multiple vectors 2018-09-17

A stricter `%in%` 2018-09-07

strict `case_when` 2018-09-06

bits and bit reversal 2018-09-04

gganimate with sprites 2018-08-13

gganimate with bitmap fonts 2018-08-12

ggplot2 stat_summary problem 2018-08-06

Encoding and Rendering Grade 1 Braille 2018-07-31

Re-defining 'return()' 2018-07-27

pipe - rewriting nested function calls with pipes 2018-07-27

unpipe - rewriting an expression without the pipes 2018-07-26

Shortest unique prefix - it's a builtin function 2018-07-24

Shortest unique prefix - second attempt 2018-07-24

Shortest unique prefix 2018-07-23

Introducting the 'funcmath' package for creating plotmath expression 2018-07-18

Ikeda map (fractal) 2018-07-09

Barnsley Ferns (fractal) 2018-07-07

Hilbert Curves 2018-07-06

Fractals with matrices - sierpinski carpet 2018-07-05

Text fractals - sierpinski 2018-07-04

Plotmath fractals 2 2018-07-03

Plotmath fractals 2018-07-02

Benchmark mutate - vector, matrix, data.frame 2018-05-12

Challenge: Simultaneous parallel min() and which.min() 2018-05-12

Hi-res c64 images with Rstats 'r64' package 2018-05-10

Introducing the `tapir` package: Text-based Arbitrary Precision Integers in R 2018-05-07

Challenge: Adding Large Integers in R 2018-05-04

Finding names in R packages which could be domain names (using rvest and the tidyverse) 2018-05-02

`uint8` package for an unsigned 8bit integer type in R 2018-04-29

r64 package - a c64/6502 assembler 2018-04-25

Generating Executable ASCII art 2018-04-12

Changing the default arguments to a function 2018-04-11

Solving the 8 queens problem 2018-04-10

Finding a length n needle in a haystack 2018-04-03

Assert condition over a code block 2018-03-23

Assert condition over a code block 2018-03-22

Body modification part 5: Adding runtime check of function return value 2018-03-21

Body modification part 4: Adding runtime checks to an existing function 2018-03-20

Body modification part 3: Syntax for body modification/function wrapping 2018-03-19

Body modification part 2: Automatically creating type checks for a function 2018-03-18

Body modification: Injecting new content into a function 2018-03-16

Base R split has issues - Part 3 more idiosyncrasies 2018-03-15

geom_cat() 2018-03-08

`chop()`: A tidyverse-style `split()` 2018-03-07

`cleave_by()`: A tidyverse-style `split()` 2018-03-04

Base R split has issues - Part 2 idiosyncrasies 2018-03-04

Base R split has issues - Part 1 runtime 2018-03-04

Split-Apply-Combine: My search for a replacement for 'group_by + do' 2018-03-03

The 'ggplot2pipes' package 2018-02-27

Using ggplot with pipes 2018-02-25

Customing ggplots created within functions 2018-02-24

Overlapping lines 2018-02-20

Convex Hulls part 4 2018-02-18

Convex Hulls part 3 2018-02-18

convex hulls part 2 2018-02-16

chull() 2018-02-15

Evaluating R code from potentially malicious sources Part 4 2018-02-13

Part 3: Evaluating R code from potentially malicious sources 2018-02-12

Evaluating R code from potentially malicious sources part 2 2018-02-11

Evaluating R code from potentially malicious sources 2018-02-10

YAML vs jsonlite vs RJSONIO 2018-02-07

`blogdown` rss feed of full articles 2018-02-07

`dithr` package for error diffusion dithering in R 2018-02-05

Error Diffusion Dithering in R 2018-02-04

YAML vs JSON for saving human-readable R objects (TLDR: Use YAML) 2018-02-03