Numerical data are everywhere. Charts and statistics appear not just in geography journals but also in the media, in public policy, and in business and commerce too. To engage with quantitative geography, we must engage with the quantitative methods used to collect, analyse, present and interpret these data. Quantitative Geography: The Basics is the perfect introduction for undergraduates beginning any quantitative methods course. Written in short, user-friendly chapters with full-colour diagrams, the book guides the reader through a wide range of topics from the basic to the more advanced, including: • Statistics • Maths • Graphics • Models • Mapping and GIS • R Closely aligned with the Q-Step quantitative social science programme, Quantitative Geography: The Basics is the ideal starting point for understanding and exploring this fundamental area of Geography.

Mapping and GIS

Mapping and GIS

8.1 Introduction

The previous chapter looked at ways of presenting data but it neglected something important to geography’s cartographic traditions: the mapping of geographic data. This chapter makes amends for that omission, concentrating on some of the principles behind Geographic Information Systems (GIS) – software for the storage, analysis and visualisation of geographic information.

Figure 8.1 sets the scene. It is a stylised map of London’s boroughs, showing the ethnic composition of their resident population according to the 2011 Census. It would be possible to present these data in a table, and it would be better to do so ...

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