Simple and multiple linear regression in R
Photo by Xin Wang

Introduction

Remember that descriptive statistics is a branch of statistics that allows to describe your data at hand. Inferential statistics (with the popular hypothesis tests and confidence intervals) is another branch of statistics that allows to make inferences, that is, to draw conclusions about a population based on a sample. The…


Introduction

If you are a runner yourself, you are certainly aware of how important preparation is before a race. For the preparation of my first marathon, I used to rely on a training plan.

This running plan was great, but an important information was missing: the running pace. Most of the…


Hypothesis test by hand
Photo by NeONBRAND

Descriptive versus inferential statistics

Remember that descriptive statistics is the branch of statistics aiming at describing and summarizing a set of data in the best possible manner, that is, by reducing it down to a few meaningful key measures and visualizations — with as little loss of information as possible. In other words, the…


Introduction

Stats and R has been launched on December 16, 2019. Since the blog is officially one year old today and after having discussed the main benefits of maintaining a technical blog, I thought it would be a good time to share some numbers and thoughts about it.

In this article…


Waiting period from diagnosis for mortgage insurance issued to cancer survivors
Photo by Rey Seven

I am happy to announce that our paper entitled “ Waiting period from diagnosis for mortgage insurance issued to cancer survivors “ has been published in the European Actuarial Journal.

Here is a brief summary of it:

Massart (2018) testimonial illustrates the difficulties faced by patients having survived cancer to…


Introduction

ANOVA (ANalysis Of VAriance) is a statistical test to determine whether two or more population means are different. In other words, it is used to compare two or more groups to see if they are significantly different.

In practice, however, the:


Why do I have a data science blog? 7 benefits of sharing your code
Photo by Patrick Fore

My blog statsandr.com was launched in December 2019. Although 9 months of writing is a very short period compared to others, I can already say that it’s been an incredible and very enriching adventure!

With 45 articles published (at the time of writing this article) and topics ranging from descriptive…


Graphics in R with ggplot2
Photo by Isaac Smith

Introduction

R is known to be a really powerful programming language when it comes to graphics and visualizations (in addition to statistics and data science of course!).

To keep it short, graphics in R can be done in three ways, via the:

  1. {graphics} package (the base graphics in R, loaded by…


Introduction

I recently moved out and bought my first apartment. Of course, I could not pay it entirely with my own savings, so I had to borrow money from the bank. I visited a couple of banks operating in my country and asked for a mortgage.

If you already bought your…


Outliers detection in R
Photo by Will Myers

Introduction

An outlier is a value or an observation that is distant from other observations, that is to say, a data point that differs significantly from other data points. …

Antoine Soetewey

PhD student and teaching assistant in statistics at UCLouvain (Belgium). Interested in statistics and R, author of statsandr.com and easystat.be

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