List of Blog Posts: R

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{emayili} Support for Mailtrap {emayili}R 2024-04-23

Asset Allocation R quant 2024-04-19

Parameter Constraints & Significance R quant GARCH 2024-04-16

Risk/Reward Tradeoff R quant GARCH 2024-04-15

Model Validation R quant GARCH 2024-04-14

Parameter Significance & Parsimonious Models R quant GARCH 2024-04-13

Leverage Effect R quant GARCH 2024-04-12

Skewed Returns R quant GARCH 2024-04-11

What is a GARCH Model? R quant GARCH 2024-04-10

Rolling Volatility & Returns R quant 2024-04-09

Loading Financial Time Series R quant 2024-04-08

Weekly Digest Spark Keras R Vercel Weekly Digest2023-12-01

Weekly Digest CLI R Weekly Digest2023-11-24

Unravelling Transparency in Coverage Data data: medical R jq JSON 2023-08-26

{emayili} Support for ZeptoMail {emayili}R 2022-11-27

{pagedown} Page Size & Margins {pagedown}R 2022-10-22

Scaling Density Plots R {ggplot2}{ggridges} 2022-10-08

Handling Empty Paragraphs from R Markdown R Markdown HTML CSS 2022-09-29

Enforcing Style in an R Project Git R lint pre-commit 2022-09-20

Squares & Spirals R 2022-09-18

Calculating the Fire Danger Index (FDI) R 2022-09-08

Using Shiny Server in Docker R Shiny Docker 2022-09-07

Postboxes & Postal Codes {blimey}R 2022-08-13

Schools in England {blimey}R 2022-08-11

Linux Packages for R R Linux 2022-08-09

Historical Weather Data weather R Python 2022-08-07

Great Britain Railway Network spatial {blimey}R 2022-07-16

{emayili} Encrypted Email with Mailfence GPG {emayili}R 2022-04-04

{emayili} Updated Gmail Authentication {emayili}R 2022-03-08

A Recipe for Upgrading R R 2022-01-25

{emayili} Message Templates {emayili}R 2022-01-21

{emayili} Sending Email from Shiny Shiny {emayili}R 2022-01-20

{emayili} HTML Messages with Images {emayili}R 2022-01-12

{emayili} Sending Encrypted Email {emayili}R 2021-12-07

{filebin} Quick & Easy File Sharing {filebin}R 2021-11-18

{binance} P2P Trades {binance}R 2021-11-10

{binance} Spot Trading: Liquidity {binance}R 2021-11-08

{binance} Spot Trading: Limit Orders {binance}R 2021-11-05

{binance} Spot Trading: Market Orders {binance}R 2021-11-01

{binance} Dealing with Dust {binance}R 2021-10-27

{binance} Tracking Total Account Balance {binance}R 2021-10-26

HCRIS Field Labels {pdftools}R 2021-10-19

{emayili} Message Threads {emayili}R 2021-10-18

{emayili} Support for Gmail, SendGrid & Mailgun {emayili}R 2021-10-15

{emayili} Message Precedence {emayili}R 2021-10-06

{emayili} Message Integrity {emayili}R 2021-10-05

Working with Fairly Wide Data csvkit CSV SQL R 2021-10-04

{emayili} Right-to-Left Markdown {emayili}R 2021-09-24

{emayili} Styling Figures Markdown {emayili}R 2021-09-23

{emayili} Managing CSS Markdown {emayili}R 2021-09-22

{emayili} R Markdown Parameters Markdown {emayili}R 2021-09-20

{emayili} Rendering R Markdown Markdown {emayili}R 2021-09-17

{emayili} Rendering Plain Markdown Markdown {emayili}R 2021-09-10

{clockify} Time Tracking from R {clockify}R 2021-09-09

Pre-Commit Hook for Processing README.Rmd R Git 2021-09-05

{emayili} Interpolating Message Content {emayili}R 2021-09-03

{emayili} Rudimentary Email Address Validation {emayili}R 2021-08-21

Old 'Hood, New 'Hood {geosphere}{ggmap}spatial R 2021-08-11

TomTom Traffic {tomtom}R 2021-07-27

TomTom Routing spatial {tomtom}R 2021-07-26

Mobility & Unrest in South Africa {saffer}{mobility}R 2021-07-24

Shiny on ECS Shiny ECS R 2021-06-24

Shiny Inception: JavaScript in Rendered Markdown Shiny R 2021-06-03

Using {pagedown} in Docker Docker {pagedown}R 2021-05-28

{hagr} Linnaean Classification {hagr}R 2021-04-16

{hagr} Database of Animal Ageing and Longevity {hagr}R 2021-04-12

The Easter Bunny is Cashing In {trundler}R 2021-04-03

Making the Most of Mobility R 2021-04-02

An Environment for Reliably Rendering Figures in R Docker R 2021-03-23

{emayili} UTF-8 Filenames & Setting Sender {emayili}R 2021-03-08

{blogdown}: Optimise PNG Image Size {blogdown}R 2021-02-21

{emayili} Sending Birthday Messages {emayili}R 2021-02-18

Setting up postref Shortcode for Remote Blog {blogdown}Hugo R 2021-02-10

Levies, Tax and the Fuel Price in South Africa {saffer}R 2021-02-01

This is not Rain: It's a Trickle Selenium web scraping R 2021-01-30

Cyril's Speeches {saffer}R 2021-01-14

Topographic Maps for South Africa R {saffer}spatial GDAL Docker 2021-01-12

Price of Fuel in South Africa {saffer}R 2021-01-10

Retail Pricing: Latex Gloves {trundler}R 2021-01-06

Running History: Garmin Connect running R 2021-01-05

Retail Pricing: Nitrile Gloves {trundler}R 2021-01-04

Running History: Strava running R 2021-01-02

Rendering an R Markdown Presentation to GitLab Pages R GitLab 2020-09-23

Shiny App in Docker with HTTP Authentication Docker Shiny NGINX R 2020-06-29

Retail Data: R Package {trundler}R 2020-03-15

R Package for @racently R running 2019-12-06

Durban EDGE DataQuest R 2019-11-13

An API for @racently R running 2019-11-12

Scraping Machinery Parts R web scraping 2019-11-11

Installing Prophet on CentOS R Linux 2019-11-04

Private Security and the Pareto Principle Data Science R 2019-10-16

R, Docker and Checkpoint: A Route to Reproducibility R Docker 2019-08-28

All Roads Lead to Rome R OSRM 2019-07-28

Recreating 'Unknown Pleasures' graphic R 2019-07-15

Comrades Marathon (2019) Splits R running 2019-07-01

Medal Breakdown at Comrades Marathon (2019) R running 2019-06-30

Comrades Marathon (2019) Start Delay R running 2019-06-15

A Shiny Comrades Marathon Pacing App R Shiny running 2019-06-04

{emayili} Sending Email from R {emayili}R 2019-05-27

Setting up an R Admin Group R 2019-04-11

Integrating Qlik Sense and R R Docker 2019-03-26

Docker Images for R: r-base versus r-apt R Docker 2019-01-21

RServe: Getting Started R 2019-01-21

JSON Payload for POST Request R 2019-01-10

Where does .Renviron live on Citrix? R 2019-01-08

Survey Raking: An Illustration R survey 2018-12-26

Scraping the Turkey Accordion R web scraping 2018-12-12

RStudio & Shiny Servers with NGINX & SSL R Shiny 2018-11-14

Installing RStudio & Shiny Servers R Shiny 2018-11-13

Diagnosing RStudio Startup Issues R 2018-09-07

What's New in R 3.5.0? R 2018-07-09

Updating R on Ubuntu R 2018-07-09

eRum (2018) Top Twenty R conference 2018-05-18

Travelling Salesman with ggmap R 2018-05-10

Classification: Get the Balance Right R machine learning 2018-04-21

Tips for Lightning Talks Speaking R 2018-04-06

Installing rJava on Ubuntu R Linux 2018-02-05

Variable Names: Camel Case to Underscore Delimited R 2017-11-20

Analysis of Feedback from satRday [Cape Town] 2017 R satRday Conference 2017-11-15

Durban Twitter Analysis R sentiment 2017-11-10

Hosting a Plumber API on AWS AWS R Plumber 2017-09-14

Building a Local OSRM Instance R OSRM 2017-09-11

Global Variables in R Packages R 2017-09-07

Route Asymmetry in Google Maps R 2017-08-23

A Timeline History of R R 2017-08-05

RStudio Environment on DigitalOcean with Docker R Docker 2017-07-11

Deploying a Minimal Plumber API on DigitalOcean R 2017-06-21

RSelenium and Java Heap Space R web scraping Selenium 2017-06-09

Bayesian Marathon Predictions running Bayesian R 2017-02-28

satRday Cape Town: Call for Submissions R Conference 2016-10-26

Fitting a Statistical Distribution to Sampled Data R 2016-10-05

PLOS Subject Keywords: Association Rules R Association Rules 2016-09-01

ubeR: A Package for the Uber API R 2016-08-31

PLOS Subject Keywords: Gathering Data R Association Rules Collaborative Filtering 2016-08-24

Sportsbook Betting (Part 3): Evolving Odds R gambling 2016-08-23

Sportsbook Betting (Part 2): Bookmakers' Odds R gambling 2016-08-10

Animated Mortality R 2016-08-09

feedeR: Reading RSS and Atom Feeds from R R 2016-08-08

Web Scraping and "invalid multibyte string" R web scraping 2016-08-02

Sportsbook Betting (Part 1): Odds R gambling 2016-08-01

Building a Life Table R 2016-07-28

Calculating Pi using Buffon's Needle R 2016-07-26

Mortality by Year and Age R 2016-07-22

Life Expectancy by Country R 2016-07-20

Mortality Rate by Age R 2016-07-19

Escalating Life Expectancy R 2016-07-18

Birth Month by Gender R 2016-07-16

Most Probable Birth Month R 2016-07-15

Major League Baseball Birth Months R 2016-07-05

satRday in Cape Town R 2016-05-26

R Saturday [satRday] in Cape Town R 2016-05-12

International Open Data Day R 2016-03-05

R, HDF5 Data and Lightning R 2016-02-23

Automating R scripts under Windows R 2016-02-11

flipsideR: Support for ASX Option Chain Data R 2016-02-08

Kaggle: Santa's Stolen Sleigh R 2016-01-22

Casting a Wide (and Sparse) Matrix in R R 2016-01-19

Kaggle: Walmart Trip Type Classification R 2016-01-15

Review: Learning Shiny R Shiny 2016-01-05

Using Checksum to Guess Message Length: Not a Good Idea! R 2015-12-22

Making Sense of Logarithmic Loss R 2015-12-14

Installing XGBoost on Ubuntu R Python 2015-12-09

2015 Data Science Salary Survey R 2015-12-04

Graph from Sparse Adjacency Matrix R 2015-11-12

LIBOR and Bond Yields R 2015-11-06

Beautiful Data Python R book review 2015-10-15

Data Mining with Rattle and R R Machine Learning book review 2015-10-07

Day 25: Interfacing with Other Languages Julia R Python Month of Julia2015-09-30

Day 17: Datasets from R Julia R Month of Julia2015-09-18

urlshorteneR: A package for shortening URLs R 2015-09-14

A ggplot2 oddity R 2015-09-10

Shiny Bayesian Updates R Bayesian Shiny 2015-07-24

Machine Learning with R Cookbook R Machine Learning book review 2015-07-03

R Recipe: RStudio and UNC Paths R 2015-06-04

Hosting Shiny on Amazon EC2 R AWS Shiny 2015-05-30

Comrades Marathon Medal Predictions R running Shiny 2015-05-28

R Recipe: Aligning Axes in ggplot2 R 2015-05-27

R Recipe: Reordering Columns in a Flexible Way R 2015-05-16

Recent Common Ancestors: Simple Model R 2015-05-15

Comrades Marathon Finish Predictions R running 2015-04-23

A Sankey Plot with Uniform Coloured Edges R 2015-04-07

Bags, Balls and the Hypergeometric Distribution R 2015-04-03

The Price of Fuel: How Bad Could It Get? R 2015-04-01

Dealing with a Byte Order Mark (BOM) R 2015-03-11

R for Business Analytics R book review 2015-01-28

Downloading Options Data in R: An Update R trading options 2015-01-14

Simulating Intricate Branching Patterns with DLA R 2014-12-16

Creating More Effective Graphs R 2014-11-04

Plotting Flows with {riverplot} R 2014-08-14

Commitments of Traders: Moves in the Last Week R 2014-08-09

Comrades Marathon: A Race for Geriatrics? R running 2014-07-22

Twins, Tripods and Phantoms at the Comrades Marathon R running 2014-06-12

Concatenating a list of data frames R 2014-06-06

Race Statistics for Comrades Novices: Corrigendum R running 2014-05-17

Race Statistics for Comrades Marathon Novice Runners R running 2014-05-16

Hazardous & Benign Objects: Solar-Ecliptic Orbits R 2014-05-12

Comrades Marathon Negative Splits: The Plot Thickens R running 2014-05-10

Hazardous & Benign Objects: Kepler's Equation R 2014-05-08

Comrades Marathon: Negative Splits and Cheating R running 2014-05-06

Hazardous & Benign Objects: Getting the Data R 2014-04-28

R Interface to Myfxbook R 2014-04-17

Earthquakes: Land / Ocean Distribution R 2014-04-13

Largest Volcanoes & Other Statistics R 2014-04-11

Earthquakes: Magnitude / Depth Chart R 2014-04-07

Daylight Saving Effect on Financial Indices R 2014-04-01

Filtering Data with L1 Regularisation R regularisation 2014-03-27

Filtering Data with L2 Regularisation R regularisation 2014-03-25

How Long to Conceive? R 2014-01-12

Processing EXIF Data R 2013-12-16

Contour and Density Layers with ggmap R 2013-12-14

Deriving a Priority Queue from a Plain Vanilla Queue R 2013-11-26

Implementing a Queue as a Reference Class R 2013-11-24

Iterators in R R 2013-11-14

Introduction to Fractals R 2013-11-04

Percolation Threshold: Including Next-Nearest Neighbours R 2013-11-01

Percolation Threshold on a Square Lattice R 2013-10-30

Plotting Times of Discrete Events R 2013-10-19

Top 250 Movies at IMDb R web scraping 2013-10-03

Clustering the Words of William Shakespeare R 2013-09-10

Text Mining the Complete Works of William Shakespeare R 2013-09-05

Presenting Conformance Statistics R 2013-08-27

The Wonders of {foreach} R {foreach} 2013-08-25

Fitting a Model by Maximum Likelihood R 2013-08-18

Correlations with Uncertainty: Classical Solution R 2013-08-13

Correlations with Uncertainty: Bootstrap Solution R 2013-08-11

A Chart of Recent Comrades Marathon Winners R running 2013-07-30

Comrades Marathon Inference Trees R running 2013-07-19

Optimising a Noisy Objective Function R 2013-07-16

Are Green Number Runners More Likely to Bail? R running 2013-06-22

The Green Number Effect R running 2013-06-18

Age Distribution of Comrades Marathon Athletes R running 2013-06-18

Medal Allocations at the Comrades Marathon R running 2013-06-09

Comrades Marathon Attrition Rate R 2013-06-07

Analysis of Cable Morning Trade Strategy R 2013-05-29

Balanced Data with {MatchIt} R 2013-05-23

xkcd Style Bubble Plot R 2013-05-23

Package {party}: Conditional Inference Trees R {party} 2013-05-21

Plotting categorical variables R 2013-05-20

Plotting numerical variables R 2013-05-18

Descriptive Statistics R 2013-05-18

Categorical Variables R 2013-05-12

Loading Data from a Tab Delimited File R 2013-05-12

Locations of Geosynchronous Satellites R 2013-04-16