Let us start today our series on classification from scratch… The logistic regression is based on the assumption that given covariates , has a Bernoulli distribution,The goal is to estimate parameter . Recall that the heuristics for the use of that function for the probability is that Maximimum of the (log)...

A fun summertime blog creating LaCroix themed R graphs using LaCroixColoR & Magick animations

Collatz sequence is a well known suite mathematical suite, remaining unproved as far as I know. Let’s play with it and discover some of its secrets. To discover its behavior, we stop whenever we reach 1 as input, otherwise depending on parity of υ...

On May 21st and 22nd, I had the honor of having been chosen to attend the rOpenSci unconference 2018 in Seattle. It was a great event and I got to meet many amazing people! rOpenSci rOpenSci is a non-profit organisation that maintains a number of widely used R packages and is ...

I’m happy to once again announce the release of a package. This time it happens to be a rather unplanned and quick new package, which is fun for a change. The package in question is scico which provides access to the colour palettes developed by Fabio Crameri as well ...

Using a consensus model based on quoted bookmakers' odds winning probabilities for all competing teams in the FIFA World Cup are obtained: The favorite is Brazil, closely followed by the defending World Champion Germany. Football fans worldwide anticipate the 2018 FIFA World Cup that will take place in Russia from 14 June ...

Before my course on « big data and economics » at the university of Barcelona in July, I wanted to upload a series of posts on classification techniques, to get an insight on machine learning tools. According to some common idea, machine learning algorithms are black boxes. I wanted to get back ...

Mango Solutions are delighted to announce our Keynote Speaker for the EARL Boston Conference: Bob Rudis, [Master] Chief Data Scientist at Rapid7. Bob has more than 20 ye...

The object oriented system is a nice and powerful way to program and to build softwares and data in R. Yet, it can be a little bit daunting at first, especially if you’ve alway been coding in R, and with functions. In this blogpost, we’ll have a look ...

Introduction This document describes how to produce a set of graphics and perform the associated statistical tests that describe trends in daily streamflow at a single streamgage. The trends depicted cover the full range of quantiles of the streamflow distribution, from the lowest discharge of the year, through the median ...

Native scoring is a much overlooked feature in SQL Server 2017 (available only under Windows and only on-prem), that provides scoring and predicting in pre-build and stored machine learning models in near real-time.                                                                                              Icons made by Smashicons from www.flaticon.com is licensed by CC 3.0 BY   Depending on the definition of ...

ShinyProxy is a novel, open source platform to deploy Shiny apps for the enterprise or larger organizations. Theming ShinyProxy 1.1.1 is in essence a maintenance release, but there is one new feature that has been on the wish list of our users for ...

I'm currently out of town and not spending as much time on my computer as I have over the last couple months. (It's what happens when you're the only one in your department at work and also most of your hobbies involve a computer.) But I wanted to write up ...