Downloading Fitbit Data Histories with R
In this post, we will see how to download personal Fitbit data histories for step counts, heart rate, and sleep via the Fitbit API. We will use a combination of...continue reading.
Category: R
Coding Random Forests in 100 lines of code*
In our series of explaining method in 100 lines of code, we tackle random forest this time! We build it from scratch and explore it’s functions. Der Beitrag Coding Random...continue reading.
AzureR and AzureKeyVault
by Hong Ooi, senior data scientist, Microsoft Azure Just a couple of announcements regarding my family of packages for working with Azure from R. First, the packages have moved from...continue reading.
AzureR and AzureKeyVault
by Hong Ooi, senior data scientist, Microsoft Azure Just a couple of announcements regarding my family of packages for working with Azure from R. First, the packages have moved from...continue reading.
Kites and Darts: the Penrose Tiling
Agarrada a mis costillas le cuelgan las piernas (Godzilla, Leiva) Penrose tilings are amazing. Apart of the inner beauty of tesselations, they have two interesting properties: they are non-periodic (they...continue reading.
Trawling Through iOS Backups For Treasure (a.k.a. How to fish for target files in iOS backups) with R
In a recent previous post I brazenly talked over the “hard parts” of how I got to the target SQLite file that houses “mowing history” for what has become my...continue reading.
Quick Hit: Handling Cocoa Core Data Timestamps in R
For the first time ever we got a new riding mower this weekend. We’ve always haggled to keep the one sellers were using with any given house we’ve purchased over...continue reading.
Here is Your Data
It’s a common situation: you want to code and debug in R *and* leverage RMarkdown for a presentation or document. The challenge: file paths. Executing code in the console and from within...continue reading.
Making a Command Line HTML Rendering Script for “The Art of the Command Line” (in R)
The Feedly category I have setup for git-stalking has indicated a fairly massive interest in Joshua Levy’s The Art of the Command Line. What is “The Art of the Command...continue reading.
My RStudio Configuration
I help a few of dozen users install RStudio and learn R regularly. Whenever I need to install RStudio on a new machine, I have to think a bit about...continue reading.
Quick and easy t-SNE analysis in R
t-SNE is a useful dimensionality reduction method that allows you to visualise data embedded in a lower number of dimensions, e.g. 2, in order to see patterns and trends in...continue reading.
xaibot – conversations with predictive models!
If you could talk to a predictive machine learning model, what would you ask for? Try! Michał Kuźba is developing a mind-blowing project – xai chat-bot. Dialog based system that...continue reading.
Cognitive capitalism chapter reworked
The Cognitive capitalism chapter of my evidence-based software engineering book took longer than expected to polish; in fact it got reworked, rather than polished (which still needs to happen, and...continue reading.
Data Science Jobs Report 2019: Python Way Up, Tensorflow Growing Rapidly, R Use Double SAS
In my ongoing quest to track The Popularity of Data Science Software, I’ve just updated my analysis of the job market. To save you from reading the entire tome, I’m...continue reading.
Books for sale!
I’m clearing out some books. You can buy them! They are all good ones, it’s just that I don’t need … Morecontinue reading.
Automate Your KPI Forecasts With Only 1 Line of R Code Using AutoTS
If you are having the following symptoms at your company when it comes to business KPI forecasting, then maybe you need to look at automated forecasting: Ugly Excel spreadsheets with...continue reading.
Automate Your KPI Forecasts With Only 1 Line of R Code Using AutoTS
If you are having the following symptoms at your company when it comes to business KPI forecasting, then maybe you […] The post Automate Your KPI Forecasts With Only 1...continue reading.
Creating data frame using structure() function in R
Structure() function is a simple, yet powerful function that describes a given object with given attributes. It is part of base R language library, so there is no need to...continue reading.
SatRday comes to the Baltic Sea for the first time @Gdańsk
There are probably thousands of things to do in the middle of May at the Baltic seaside, but in 2019 the place to be was Gdansk. Despite the dreadful weather,...continue reading.
WoE Transformation for Loss Given Default Models
In the intro section of my MOB package (https://github.com/statcompute/MonotonicBinning#introduction), reasons and benefits of using WoE transformations in the context of logistic regressions with binary outcomes had been discussed. What’s more,...continue reading.
