Blog Archives

Interacting with AWS from R

Interacting with AWS from R

Getting set up If there is one realisation in life, it is the fact that you will never have enough CPU or RAM available for your analytics. Luckily for us, cloud computing is becoming cheaper and cheaper each year. One of the more established providers of cloud services is AWS. If you don’t know yet, they provide a free, yes...

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Workshop in Cape Town: Web Scraping with R

Join Andrew Collier and Hanjo Odendaal for a workshop on using R for Web Scraping. Who should attend? This workshop is aimed at beginner and intermediate R users who want to learn more about using R for data acquisition and management, with a speci...

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Workaround for tidyr::spread with duplicate row identifiers

The problem The tidyverse api is one the easiest APIs in R to follow - thanks the concept of grammer based code. But every now and again you come across an error that boggles your mind, my personal one is the error spread delivers when I have no ind...

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Rstudio + Selenium + AWS: Deep in Docker Hell

Rstudio + Selenium + AWS: Deep in Docker Hell

As with most data scientist, there comes a time in your life when you have enough false confidence that you try to build production systems using docker on AWS. This past weekend, I fell in this trap. Having recently attended a R-ladies event in Cape Town that dealt with the topic of Docker for Data Science, I achieved a...

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Moving columns using basic english prepositions!

Moving columns using basic english prepositions!

Moveme! I recently worked with a dataset that had over 100 columns and had to keep moving the order of the columns such that I could easier conduct my analysis. For example, whenever you try and conduct a multiple-factor analysis (FactoMineR::MFA), the function requires specific grouping of your variables to conduct the analysis. This meant that after feature engineering, I...

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An R vlookup? Not so silly idea

An R vlookup? Not so silly idea

It started out as a joke, but Jenny Bryan recently posted a vlookup implementation in R. Here is the original post as seen on twitter: Sometimes you just need to party like it’s VLOOKUP time 😁🖇 … seriously, sometimes a join doesn’t fit the bill pic.twitter.com/jz8StfQdNg— Jenny Bryan (@JennyBryan) April 3, 2018 The argument for the creation of this kind of...

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Exploring NSE: enquo, quos and …

As one gets more interested in building your own custom functions, you quickly start realising that unless your functions are tidyverse friendly, standardising your code workflow becomes a problem. So, how do you make your customs play well with your ...

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Listening to the news: deriving sentiment from large corpus analysis

(This article was first published on Digital Age Economist on Digital Age Economist, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Digital Age Economist on Digital Age Economist. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data,...

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quotidieR

(This article was first published on Digital Age Economist on Digital Age Economist, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Digital Age Economist on Digital Age Economist. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data,...

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Coming Soon

More detail can easily be written here using Markdown and $\rm \LaTeX$ math code.

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