Publications by Denise Adele Chua
Mapping Geospatial Point Data with R
1.0 Overview Proportional symbol maps (also known as graduate symbol maps) are a class of maps that use the visual variable of size to represent differences in the magnitude of a discrete, abruptly changing phenomenon, e.g. counts of people. Like choropleth maps, you can create classed or unclassed versions of these maps. The classed ones are kn...
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Hands-on Exercise 3: Mapping Geospatial Point Data with R
1.0 Overview Proportional symbol maps (also known as graduate symbol maps) are a class of maps that use the visual variable of size to represent differences in the magnitude of a discrete, abruptly changing phenomenon, e.g. counts of people. Like choropleth maps, you can create classed or unclassed versions of these maps. The classed ones are kn...
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SMT483-Part 2: Importing, Wrangling and Visualising Geospatial Data with R
1 Overview In this hands-on exercise, you will learn how to handle geospatial data in R by using appropriate R packages. 1.1 Learning Outcome By the end of this hands-on exercise, you should aquire the following competencies: import geospatial data by using appropriate functions of sf packages, importgeoreference geospatial data using either ap...
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SMT483: Data Import, Preparation and Exploration
1 Overview This document aims to provide you step-by-step guide on how to import, massaging and wrangling data by using tidyverse family of packages. 1.1 Learning Outcome By the end of this hands-on exercise, you should acquire the following competencies: importing csv file into R and performing basic data parsing using readr package, massaging...
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IS415 Hands-on Exercise 5: Second-order Analysis of Spatial Point Patterns
1 Overview In this hands-on exercise, you will gain hands-on experience on using appropriate R functions to analyse spatial point events. The case study aims to discover the spatial point processes of childecare centres in Singapore. 1.1 The research questions The specific questions we would like to answer are as follows: are the childcare cent...
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IS415 Hands-on Exercise 4: First-order Spatial Point Patterns Analysis
1 Overview In this hands-on exercise, you will gain hands-on experience on using appropriate R functions to gain insight from spatial point processes. The case study aims to discover the spatial point processes of childecare centres in Singapore. 1.1 The research questions The specific questions we would like to answer are as follows: are the c...
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R4DSA Hands-on Exercise 7: A Gentle Introduction to tidymodels
1 Overview How much orders my company will receive from my customers next month? How many customers will churn when the contract expire? How many catalogues do I need to mail in order to increase the probability of my potential customers to buy? These and many other related questions are the challenges face by you and many business analysts. Mult...
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Session06-R Packages for Building Better MLR Models
1 Overview How much orders my company will receive from my customers next month? How many customers will churn when the contract expire? How many catalogues do I need to mail in order to increase the probability of my potential customers to buy? These and many other related questions are the challenges face by you and many business analysts. Mult...
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R4DSA Hands-on Exercise 8: Building Binary Predictive Models with tidymodels
1 Setting the Scene A telecommunications company that offers voice, messaging, and data services has noticed a high rate of churn among its high-revenue customers in recent years. A customer retention campaign was developed and the marketing managers need to identify the customers who have a high probability of churning. These targeted customers ...
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IS415 Hands-on Exercise 3: Proportional Symbol mapping with R
1.0 Overview Proportional symbol maps (also known as graduate symbol maps) are a class of maps that use the visual variable of size to represent differences in the magnitude of a discrete, abruptly changing phenomenon, e.g. counts of people. Like choropleth maps, you can create classed or unclassed versions of these maps. The classed ones are kn...
4694 sym R (3758 sym/19 pcs) 2 img