Blog Archives

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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