Posts

Model Prediction/Visualisation
6. Survival Analysis - Cox Model

code

concept

modelling

visualisation

How to survive visualising the Cox model.

Model Prediction/Visualisation
5. Linear Mixed Models (LMMs)

code

concept

modelling

visualisation

Visualising fixed vs random effects.

Model Prediction/Visualisation
4. Generalised Linear Models (GLMs)

code

concept

modelling

visualisation

Know what you are predicting when using GLMs.

Model Prediction/Visualisation
3. Non-Linear Functional Forms

code

concept

modelling

visualisation

Relaxing the linearity assumption does not make prediction/visualisation any more difficult.

Model Prediction/Visualisation
2. How Many Dimensions?

code

concept

modelling

visualisation

There is a practical limit to the number of predictors you can visualise.

Model Prediction/Visualisation
1. The Basics

code

concept

modelling

visualisation

How to predict from your model.

janitor - Your local R handypackage

code

Work smarter, not harder.

Missing Data and Multiple Imputation for Dummies
(Part 2)

code

concept

analysis

The core concepts and a simple example to get you up and running with MI in your next analysis.

Missing Data and Multiple Imputation for Dummies
(Part 1)

code

concept

analysis

The core concepts and a simple example to get you up and running with MI in your next analysis.

On the 12th Day of Christmas, a Statistician Sent to Me…

fun

R Programming - Try for DRY

code

concept

A general philosophy on making your code more efficient.

Survival Analysis - Under the Hood

code

concept

survival

If you find survival analysis confusing - this post is for you.

Breaking Free From ‘The Cult of P’

concept

fun

A reminder not to hang all your hopes and dreams on one insignificant number (see what I did there)

Epi. 101 Lesson - Confounding

analysis

code

concept

modelling

Confounding - how statistical adjustment relates to stratification.

Biostats Book Club

fun

resources

Rule # 1. You do not talk about Biostats Book Club.

tidylog - Console Messaging in R

code

Finally get some feedback about what your data manipulations are actually doing.

Logarithms and Why They’re Important in Statistics

code

concept

visualisation

Having to deal with logarithms may send a shiver down your spine, but they’re not as hard as you may think

Logistic Regression - Under the Hood

code

analysis

modelling

visualisation

probability

See how log-odds, odds and probability are all simply versions of each other - and fundamental to logistic regression.

Academic Research - “What’s in a Title?”

fun

“That which we call a paper by any other title would have as much impact?”

Reshaping Data - Think Before you Pivot

concept

code

Some common-use scenarios for reshaping your data from wide to long format

Ordinal Regression for Ordinal Outcomes?

analysis

concept

code

logistic

modelling

The proportional odds model is the best choice when we are regressing an ordinal outcome.

gtsummary - Your New Go-To for Tables

code

presentation

Create summary and regression tables in a flash.

Everything is a Linear Model

analysis

concept

code

modelling

The t-test and linear model with one grouping variable are two sides of the same coin.

Don’t be Scared of Splines

analysis

concept

code

modelling

visualisation

Restricted cubic splines give you the ultimate flexiblity in modelling continuous predictors.

Easily view your data by a grouping variable

code

Use by() to view your data by a grouping variable.