Sin ese peso ya no hay gravedad Sin gravedad ya no hay anzuelo (Mira cómo vuelo, Miss Caffeina) I love messing around with R to generate mathematical patterns. I always get surprised doing it and gives me lot of satisfaction. I also learn lot of things doing it: not ...

For ref, when running IRkernel Jupyter R notebooks, media objects can be embedded by making use of the shiny::tags function, that can return HTML elements with appropriate MIME types, and are renderable using _repr_html machinery (h/t @flying-sheep): For example: PS By the by, I notice the existence ...

Introduction Drawing inspiration from FiveThirtyEight’s article locating the Stanley Cup’s center of gravity, or the average geographic point of all Stanley Cup winners, I wondered where other leagues (MLB, NBA, NFL) championship trophies’ geographical center could lie. Using Cartesian coordinates for each champion’s city, I mapped the ...

Analyzing the relationship between the sample size and how it impacts on the accuracy in a classification model

Blue Bikes is a bicycle sharing system in the Boston, Massachusetts. The bikes sharing program started on 28 July 2011. This program aimed for individuals to use it for short-term basis for a price. The program allows individuals to borrow a bike from a dock station and retrun to another dock station ...

map family functions of the purrr package are very useful for using non-vectorized functions in dplyr::mutate chain (see GitHub - jennybc/row-oriented-workflows: Row-oriented workflows in R with the tidyverse or https://www.jimhester.com/2018/04/12/vectorize/). I encounter the needs for this especia…

A tutorial showing how to get started with R in IBM Watson Studio. It provides a free, hosted R environment. What’s not to love?

A penultimate Le Monde mathematical puzzle  before the new competition starts [again!] For a game opposing 40 players over 12 questions, anyone answering correctly a question gets as reward the number of people who failed to answer. Alice is the single winner: what is her minimal score? In another round, Bob is ...

If you’re an avid R user, you probably use the famous dplyr package. Python has a package meant to be similar to dplyr, called dplython. This article will give an introduction for how to use dplython. For the examples below, we’ll use a sample dataset that comes with ...

Japan is currently counting the cost of the strongest typhoon to hit its coasts in 25 years. The death toll currently stands at nine, and hundreds were injured. The north western Pacific basin sees many storms, and meteorology agencies release loads of data about climate events such as these. For this ...

Unfortunately, data isn't always available in the exact structure you prefer. And there’s nothing more frustrating than having inconsistent, untidy data that produces biased results. Let’s take a look at how the Tidyverse can help. The post Why Learn the Tidyverse appeared first on Vertabelo Academy Blog.