Spatial Microsimulation with R: 1st Edition (Paperback) book cover

Spatial Microsimulation with R

1st Edition

By Robin Lovelace, Morgane Dumont

Chapman and Hall/CRC

260 pages | 35 B/W Illus.

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Description

Generate and Analyze Multi-Level Data

Spatial microsimulation involves the generation, analysis, and modeling of individual-level data allocated to geographical zones. Spatial Microsimulation with R is the first practical book to illustrate this approach in a modern statistical programming language.

Get Insight into Complex Behaviors

The book progresses from the principles underlying population synthesis toward more complex issues such as household allocation and using the results of spatial microsimulation for agent-based modeling. This equips you with the skills needed to apply the techniques to real-world situations. The book demonstrates methods for population synthesis by combining individual and geographically aggregated datasets using the recent R packages ipfp and mipfp. This approach represents the "best of both worlds" in terms of spatial resolution and person-level detail, overcoming issues of data confidentiality and reproducibility.

Implement the Methods on Your Own Data

Full of reproducible examples using code and data, the book is suitable for students and applied researchers in health, economics, transport, geography, and other fields that require individual-level data allocated to small geographic zones. By explaining how to use tools for modeling phenomena that vary over space, the book enhances your knowledge of complex systems and empowers you to provide evidence-based policy guidance.

Reviews

". . . the book provides an excellent introduction to the theory and practice of spatial microsimulation, as well as a bridge to working in R to actually do the various tasks described . . ."

—Ezra Haber Glenn, Journal of Statistical Software

"In this groundbreaking book, the authors present the ideas behind spatial microsimulation, giving clear, user-friendly guidance using the open source software R. Spatial Microsimulation with R provides the reader with firm knowledge of the field as well as the tools to apply the methods to his or her own data. Written in an extremely accessible way, this book demonstrates the key steps in spatial microsimulation, from theory into practice. It will be deservedly instrumental in fuelling the growing interest in spatial microsimulation amongst geographers, economists, urban and regional planners, and public- and private-sector decision makers."

—Richard Harris, Professor of Quantitative Social Geography, University of Bristol

"This book fills an important gap in the existing literature. What is currently missing is a book mapping out the complete picture from what spatial microsimulation is and why it is useful, how to prepare the data, how to actually build the model, how to validate it, and how to use the resulting dataset. A particular strength of the book is the close connection between theory and implementation. The book includes very useful code snippets while the complete scripts are provided on the corresponding Github repository—this clearly sets standards for open science."

—Ulrike Deetjen, Oxford University

"Lovelace and Dumont provide a great service to the microsimulation community in developing a clear and coherent exposition of the use of the R computer language for implementing spatial applications. Required reading for all those involved in agent-based and microsimulation modeling."

—Michael Batty, Centre for Advanced Spatial Analysis, University College London

"Spatial Microsimulation with R is a well-written and concise work on a topic of broad appeal. The book is structured in a logical way, which makes it straightforward for the reader to pull out pertinent information. It is a useful reference that provides value for individuals of diverse backgrounds and can be a valuable resource for individuals seeking new applications for spatial microsimulation."

—Journal of the American Statistical Association

" . . .this book is an excellent resource for everyone who want to learn how to do spatial microsimulation. The possibility to download the contents of the book, compile it andwork interactively with the code also makes it a great example of dynamic documents and reproducible research."

—Netherlands Environmental Assessment Agency (PBL)

"There are multiple books on spatial microsimulation and hundreds more research papers detailing the various applications of studies. However, bar a few exceptions, they lack transparency and reproducibility. It creates a situation whereby researchers simultaneously encourage the uptake of the method, whilst also creating barriers by obscuring methodologies. Lovelace and Dumont’s book sets to address this flaw through demonstrating how to undertake a spatial microsimulation. . . Where the book sets itself apart from other books is in its applied nature. At the centre of their approach is a ‘learn by doing’ mentality which serves the book well. Examples are used to demonstrate approaches and the authors encourage thinking beyond the material presented. Of note, Lovelace and Dumont show step-by-step what is happening when using IPF and how to code this, rather than jumping straight to bespoke R packages that can run it in single lines of code (which are also covered). Content is always clearly set out, with each step explained in detail. The approach helps to guide the reader along in understanding fairly complicated methods. . . Lovelace and Dumont’s book is a fine addition to the library of anyone interested in quantitative methods, let alone those wanting to generate their own spatial microdata."

—Mark A. Green, Applied Spatial Analysis

Table of Contents

Introducing spatial microsimulation with R

Introduction

Who this book is for and how to use it

Motivations

A definition of spatial microsimulation

Learning by doing

Why spatial microsimulation with R?

Learning the R language

Typographic conventions

An overview of the book

SimpleWorld: A worked example of spatial microsimulation

Getting setup with the RStudio environment

SimpleWorld data

Generating a weight matrix

Spatial microdata

SimpleWorld in context

What is spatial microsimulation?

Terminology

What spatial microsimulation is not

Applications

Assumptions

Generating spatial microdata

Data preparation

Accessing the input data

Target and constraint variables

Loading input data

Subsetting to remove excess information

Re-categorising individual level variables

Matching individual and aggregate level data names

‘Flattening’ the individual level data

Population synthesis

Weighting algorithms

Iterative Proportional Fitting

Integerisation

Expansion

Integerisation and expansion

Comparing ipfp with mipfp

Alternative approaches to population synthesis

GREGWT

Population synthesis as an optimization problem

simPop

The Urban Data Science Toolkit (UDST)

Spatial microsimulation in the wild

Selection of constraint variables

Preparing the input data

Using the ipfp package

Using the mipfp package

Comparing methods of reweighting large datasets

Model checking and evaluation

Internal validation

Empty cells

External validation

Population synthesis without microdata

Global cross-tables and local marginal distributions

Two level aggregated data

Household allocation

Independent data (individuals and households)

Cross data: individual and household level information

Modelling spatial microdata

The TRESIS approach to spatial microsimulation

Overview of TRESIS modelling system

Synthetic households

Using demand models to allocate synthetic households to zones using R

Conclusions

Spatial microsimulation for agent-based models

ABM software

Setting up SimpleWorld in NetLogo

Allocating attributes to agents

Running SimpleWorld

Control the ABM from R

Appendix: Getting up to speed with R

Glossary

Bibliography

A summary appears at the end of each chapter.

About the Authors

Robin Lovelace is a University Academic Fellow at the University of Leeds specializing in methods of spatial data analysis and applied transport modeling. Creator of the stplanr package and a number of popular tutorials, he is an experienced R user, teacher, and developer. Robin uses open source software daily for spatial analysis, map making, statistics, and modeling. His current research focuses on online interactive mapping and modeling to provide the evidence base needed for a transition away from fossil fuels in the transport sector.

Morgane Dumont is an applied mathematician currently undertaking a PhD at the University of Namur. She has a wealth of experience programming in R, Python, C, Fortran, and MATLAB®. Her research focuses on forecasting the health needs of the elderly in 2030 for Belgium. To achieve this aim, Morgane is developing a synthetic population for Belgium as an input to an agent-based model.

About the Series

Chapman & Hall/CRC The R Series

Learn more…

Subject Categories

BISAC Subject Codes/Headings:
MAT029000
MATHEMATICS / Probability & Statistics / General
SCI019000
SCIENCE / Earth Sciences / General
SCI031000
SCIENCE / Earth Sciences / Geology