Update to use 2021 Census data, numerous typos and new presentation format

Update to use 2021 Census data, numerous typos and also provide first version of presentation in Quarto format.

Full Changelog: v9.1...v9.2

Update missing aggregate code in Practical 3: Point in Polygon

Include missing aggregate code for Practical 3.

Update Practical 3: Point in Polygon to SF, update Creative Commons License

Update to move Practical 3: Point in Polygon from SP to SF, including updating example scripts.
Minor typos and Update license to change to Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International.
Date set for Introduction to Spatial Data and Using R as a GIS course given on Tue 7th and Wed 8th December 2021 for NCRM.

Introduction to Spatial Data & Using R as a GIS

This is the material for the course on Introduction to Spatial Data & Using R as a GIS run on Tuesday 16th January 2018 at the University of Southampton, Southampton.

Introduction to Spatial Data & Using R as a GIS

Minor updates to workbook

Introduction to Spatial Data & Using R as a GIS

This is the material for the course on Introduction to Spatial Data & Using R as a GIS run on Friday 1st December 2017 at the University of Oxford, Oxford.

Introduction to Spatial Data & Using R as a GIS

This is the material for the course on Introduction to Spatial Data & Using R as a GIS run on Tuesday 21st November 2017 at the University of Liverpool, Liverpool.

Introduction to Spatial Data & Using R as a GIS

This is the material for the course on Introduction to Spatial Data & Using R as a GIS run on Thursday 20th July 2017 at UCL, London.

Introduction to Spatial Data & Using R as a GIS

This is the material for the course on Introduction to Spatial Data & Using R as a GIS run on Wed 26th April 2017 at University of Cardiff.

Introduction to Spatial Data & Using R as a GIS

This is the material for the course on Introduction to Spatial Data & Using R as a GIS run on Tue 14th Feb 2017 at UCL in London.