Blog

R is always evolving and improving, and so is RModule! Check in here for new concepts and code, worked examples and news and resources

How healthy is your regression? Linear model diagnostic residual plots.

Article Regression

When carrying out linear regression there are a number of assumptions that are made. Often these assumptions are not verified, whereas in reality they are very important to check if they are met (and do something about it, if they aren’t!).

Lisa Pilkington

24 Feb 2023

Controlling what you can – randomisation and blocking in experimental design

Article Randomisation Controlled Factors

Accounting for potential influential factors through randomisation and blocking is an essential part of good experimental design.

Bee Gutierrez

27 Aug 2023

Heatmaps – colour can be the key to unlock data patterns.

Article Data Visualisation Multivariate Data

Heatmaps are a data visualisation technique used to graphically represent multivariate data in an intuitive and effective way

Bee Gutierrez

20 Mar 2023

Multivariate Analysis Workflow – Forensic analysis of glass

Worked Example Multivariate Analysis

Learning all of these multivariate analysis techniques to apply to your data is all well and good, but what happens when you have a data set? What should you do? And in what order? This post gives some suggestions on general strategies for analysing your data and gives a worked example.

Lisa Pilkington

15 Nov 2023

Special Bonus– Latin Squares Experimental Design

Article Experimental Design

A special example of a blocked experimental design, Latin Squares allows for additional factors to be explored.

Lisa Pilkington

13 Sep 2024

Don’t Assume Anything – Normality Assumption Testing

Article Linear Regression Diagnostics

Assumptions of linear regression models are important to investigate; the Shapiro-Wilk test analyses normality.

Lisa Pilkington

16 Sep 2024