I ran into a bit of a snag when updating a {blogdown} site. Suddenly, inexplicably, the images were no longer present. When I investigated I found that some HTML tags looked like this:

<img src="{{< blogdown/postref >}}index_files/figure-html/unnamed-chunk-3-1.png">

Obviously there’s something wrong there! And that {{__ blogdown/postref __}} looks like a Hugo shortcode. After ...

According to the Automobile Association (AA) the fuel price is the sum of four main components: the basic fuel price the general fuel levy the Road Accident Fund (RAF) levy and wholesale and retail margins, distribution and transport costs. This article suggests that almost 70% of the fuel price in South ...

I started using rain (a South African ISP) back in March 2019. The coverage was good (the only place I couldn’t get a signal was at Lanseria Airport), while the bandwidth was consistently high. I loved the fact that it was affordable, reliable and portable. So much has changed. Rain ...

The transcripts for the South African President’s speeches are available here. I’ve just added these data to the {saffer} package. library(saffer) Let’s take a look. glimpse(president_speeches) Rows: 621 Columns: 6 $ date 2016-01-...

I’ve been adding topological maps of South Africa to the saffer-data-map repository. The maps are originally in MrSID format (.sid files), which is a proprietary file format developed by LizardTech (a company which has been consumed by Extensis). Although MrSID is efficient from a storage perspective, it’s challenging ...

The {saffer} package is a nascent collection of things relating to South Africa. I’ve just added fuel price data. The {saffer} package can be installed from GitHub. remotes::install_github("datawookie/saffer") Then load it up and you’re ...

A couple of days ago I posted an analysis of the price of nitrile gloves at Dischem. @mattdenni the price of nitrile gloves has increased dramatically over the last year.More details at https://t.co/nTm481mjwH.@AndrewJacksonZA this might be of int...

A couple of days ago I posted an analysis of the price of nitrile gloves at Dischem. @mattdenni the price of nitrile gloves has increased dramatically over the last year.More details at https://t.co/nTm481mjwH.@AndrewJacksonZA this might be of int...

I had a suspicion that there was more data beyond the history that I got from Strava (see previous post). And indeed my hunch was confirmed by downloading my history from Garmin Connect. My history now goes back to 2013.

My colleague, Matt, noted that nitrile gloves are getting really expensive. These things are getting really expensive! pic.twitter.com/RwJoMS5Xoy— Matt Dennis (@mattdenni) January 4, 2021 Is this real or only in his mind? Let’s check it out with Trundler. Setup Load the library and set API key.

library(trundler)

API_KEY <- Sys.getenv("TRUNDLER_KEY")

set_api_key(API_KEY)

...

My colleague, Matt, noted that nitrile gloves are getting really expensive. These things are getting really expensive! pic.twitter.com/RwJoMS5Xoy— Matt Dennis (@mattdenni) January 4, 2021 Is this real or only in his mind? Let’s check it out with Trundler. Setup Load the library and set API key.

library(trundler)

API_KEY <- Sys.getenv("TRUNDLER_KEY")

set_api_key(API_KEY)

...

I’ve been itching to do some analytics on my running data. Today seemed like a good time to actually do it. I’ll be generating some plots using the {strava} package developed by Marcus Volz. Get the Format Right The GPS files in my Strava archiv...

Suppose you have an applocation running on a Shiny server and you want to add HTTP authentication so that it’s only accessible via a username and password. This can be done using NGINX. Test Shiny Server The Shiny server should be accessible at ...

Suppose you have an applocation running on a Shiny server and you want to add HTTP authentication so that it’s only accessible via a username and password. This can be done using NGINX. Test Shiny Server The Shiny server should be accessible at ...

Have you ever noticed how things seem to get really expensive at specific times of the year? Like Mother’s Day and Valentine’s Day? Have you ever felt a bit ripped off when buying an over-priced bouquet of flowers or box of chocolates? Have you ever wondered just how ...

Have you ever noticed how things seem to get really expensive at specific times of the year? Like Mother’s Day and Valentine’s Day? Have you ever felt a bit ripped off when buying an over-priced bouquet of flowers or box of chocolates? Have you ever wondered just how ...

I recently wrote about an API for @racently. The next logical step was to build a package which wraps the API so that the data can easily be pulled into R. The package is available here. It is still very much a work in progress: the API only exposes two ...

I recently wrote about an API for @racently. The next logical step was to build a package which wraps the API so that the data can easily be pulled into R. The package is available here. It is still very much a work in progress: the API only exposes t...