Welcome to another case study here at Swimming + Data Science. We’re returning the world of diving, a place we’ve visited before, in an attempt to answer the question “where are all the 10s?” Today’s data science component will consist of matching calculated values to sets of allowed ...

TL;DR There really isn’t a best day to get married as there isn’t much differentiation between various days. Both as part of this analysis and in life. Do what’s best for you and your relationship. However, if ALL you care about is both being married on ...

Remake About two weeks ago, I published on my blog a comparision between two possible implementation of double-dispatch: S4-based and vctrs-based. It turned out, that in my trials vctrs performed better. However, two days later I’ve got a message fr...

Welcome to another case study here at Swimming + Data Science. We’re returning the world of diving, a place we’ve visited before, in an attempt to answer the question “where are all the 10s?” Today’s data science component will consist of matching calculated values to sets of allowed ...

The weekly puzzle from Le Monde is an empty (?) challenge: Kimmernaq and Aputsiaq play a game where Kimmernaq picks ten different integers between 1 and 100, and Aputsiaq must find a partition of these integers into two groups with identical sums. Who is winning? Indeed, if the sums are equal, then the ...

tl;dr If you’re still using Excel or Google Sheets for business, you might already know that Excel is obsolete for many business use-cases. But how do you switch from Excel to a better alternative like R Shiny? It’s easier to get started than you might think, especially ...

Introduction Active funds have done poorly over the last ten years, and in most cases, struggled to justify their fees. A growing list of commentators appropriately advocate for index funds, although sometimes go a little beyond what we believe to be ...

Today we’re excited to announce availability of our first Preview Release for RStudio 1.4, a major new release which includes the following new features: A visual markdown editor that provides improved productivity for composing longer-form articles and analyses with R Markdown. New Python capabilities, including display of Python objects in ...

It’s been a few weeks since R/Medicine2020, a virtual conference in conjunction with the Children’s Hospital of Philadelphia, Yale School of Public Health and the R Consortium. I presented a lightning talk to demonstrate runcharter and spcch...

Sparklyr 1.4 is now available! This release comes with delightful new features such as weighted sampling and tidyr verbs support for Spark dataframes, robust scaler for standardizing data based on median and interquartile range, spark_connect interface...

Polished is an R package that adds authentication and user administration to your Shiny apps. We continue to push forward with new improvements and are happy to introduce a new feature: user roles Under the hood, user roles are just strings that y...

It is always hard to find a proper model to forecast time series data. One of the reasons is that models that use time-series data often expose to serial correlation. In this article, we will compare k nearest neighbor (KNN) regression which is a supervised machine learning method, with a ...

A very common task in data processing is the transformation of the numeric variables (continuous, discrete etc) to categorical by ... Read moreHow to Convert Continuous variables into Categorical by Creating Bins