R Archives - Nicola Romanò

GLM for the analysis of binary outcomes

Post author By nico
Post date November 16, 2020
2 Comments on GLM for the analysis of binary outcomes

Introduction In previous posts, I discussed how to deal with situations where you measure a continuous outcome and you want to explain its variability as a function of one or more continuous or discrete variables, using linear regression or mixed-effects models. However, there are situations where these linear models are not the best solution to […]

Tags glm, logistic regression, Statistical modelling

Data thoughts R Statistical modelling

A gentle introduction to mixed-effects models

Post author By nico
Post date November 2, 2020
6 Comments on A gentle introduction to mixed-effects models

Pseudoreplication is a major issue in biomedical sciences. This post will show you how to avoid it and properly analyse your data in R!

Tags linear models, mixed-effect models, pseudoreplication, Statistical modelling

Data thoughts Image analysis Machine learning R

Binary trees as a simple approach to image classification.

Post author By nico
Post date October 26, 2020
No Comments on Binary trees as a simple approach to image classification.

Binary trees are a simple, yet powerful machine learning tool used for classification. In this post, we will use them to classify images of breast cancer.

Tags binary trees, classification, cross-validation, machine learning, r

Data thoughts R

Create awesome plots with ggplot!

Post author By nico
Post date October 19, 2020
No Comments on Create awesome plots with ggplot!

This post will introduce you to ggplot, an R package which makes it super-easy to create visually pleasing plots with just a few lines of code!

Tags data visualization, ggplot, plotting, r

Data thoughts R Statistical modelling

Linear regression in R – a step-by-step guide (part 2)

Post author By nico
Post date October 12, 2020
No Comments on Linear regression in R – a step-by-step guide (part 2)

Linear regression is one of the simplest, yet powerful machine learning techniques. I will teach you how to handle multiple predictors & interactions in R!

Tags linear models, linear regression, r

Data thoughts R Statistical modelling

Linear regression in R – part 1

Post author By nico
Post date October 5, 2020
No Comments on Linear regression in R – part 1

Linear regression is one of the simplest, yet extremely powerful statistical techniques, that you definitely want to study in detail. Here we will see how to do it in R!

Tags linear models, linear regression, r