SMT201 AY2019-20G1 Ex2 Lim Shen Jie
Contents
Part 1: Thematic Mapping
Schools
Description
The cartographic technique used to categorize the schools by their main_level was hue. That is because the main_level attribute is a nominal data. Point symbols are the best for schools because it would be able to pinpoint their exact location.
Sources
1. Master Plan 2014 Land Use 2. School Directory and Information
Roads
Description
As the roads were not categorized by their road type, a calculated field was needed to generate the road type for the roads based on the name of the road. The cartographic technique used to categorize the roads by the RD_DESC was hue. That is because the RD_DESC data is nominal. To represent the roads on the map, lines are the best way to pinpoint the exact location of the roads.
Sources
1. Road Section Line from DataMall 2. Master Plan 2014 Land Use
Land Usage
Description
The cartographic technique used to categorize the land usage was hue. That is because the land use attribute is a nominal. Areas is the best way to to pinpoint their exact location, because every piece of land has a unique shape.
Part 2 Choropleth Mapping
2010 Aged population 65+ years old
2018 Aged population 65+ years old
Description
The number of people that were older than 65 years increased from 2010 to 2018
2010 Proportion of aged population 65+ years old
2018 Proportion of aged population 65+ years old
The proportion of people that were older than 65 years old as compared to the rest of the population increased in some areas of Singapore from 2010 to 2018.
Percentage of aged population change from 2010 to 2018
Overal, majority of the subzones in Singapore had an increase in the aged people.
Discussion
Classification
Sources
1. Master Plan 2008 Subzone Boundary (No Sea) 2. Master Plan 2014 Subzone Boundary (No Sea) 3. Singapore Residents by Planning Area/Subzone, Age Group and Sex, June 2000 - 2018
