Spatial Interaction Modelling. A Manifesto

This paper aims to illustrate how attitudes towards immigration can be measured using Twitter data and natural processing language.

Fitting Logistic Regression with Aggregate Data in R

I often get asked: can I use a logistic regression on aggregate data? We generally associate logistic regressions to individual-level or micro data encoding attributes into a binary category, such as moving 1 or not 0.

Modelling Count Data in R: A Multilevel Framework

A Quick Practical Guide One of my research areas of interest revolves around understanding human mobility and migration flows. Key attributes of flow data are that they are counts and a right-skewed, overdispesed and often zero-inflated distribution.