Posts

A map of South Africa illustrating voter turn out across wards

2024 Voter Turnout: Hotspots

spatial data
data cleaning
visualisation
In this post, we walk-through a hotspot analysis of voter turnout difference between the 2019 - 2024 National and Provincial elections in South Africa.
Jun 17, 2024
Sivuyile Nzimeni

A map of West Washington DC sourced from the US Department of the interior US Geological Survey

2023 Spatial Data Analysis

spatial data
data cleaning
visualisation
Chapter 8 of Analysing US Census Data Methods, Maps and Models in R. In this post, we work through the code contained in the above-mentioned book. This chapter is important as includes sections on spatial feature engineering, modelling and visualisation.
Apr 14, 2023
Sivuyile Nzimeni

Choropleth map of election results in South Africa in 2021

2023 TidyTuesday Week 1

spatial data
data cleaning
visualisation
Visualising Spatial Data in R using data from the IEC and Municipal Dermacation Board in South Africa.
Jan 6, 2023
Sivuyile Nzimeni

Ask A Manager Logo 2022

2022 Ask A Manager Salary Survey

Data Modelling
Data Cleaning
Analysing the 2022 Ask A Manager Salary Survey. In this post, we detail the data preprocessing procedure, feature-selection and modelling process to estimate salaries among respondents.
Dec 18, 2022
Sivuyile Nzimeni

South African Car Prices

web-scraping
data analysis
data modelling
This post details the data scraping process for obtaining data from a South African online vehicle marketplate. In addition, the post shares the results of a linear regression model to estimate determinants of vehicle prices.
Feb 28, 2022
Sivuyile Nzimeni

State of Capture Commission Report Part 1: Notes

news
politics
legal
This posts is the first installment of notes from reading the State of Capture Commission’s Report Part 1. This post post focuses on the first few pages of the report.
Jan 5, 2022
Sivuyile Nzimeni

Department of Basic Education: Schools Database

web-scraping
data cleaning
This post details the data scraping process for obtaining the schools database of from the Department of Basic Education in South Africa.
Dec 30, 2021
Sivuyile Nzimeni

Ask A Manager Survey

data analysis
data modelling
This post is about the 2021 Ask A Manager Survey analysis. It provides an overview of the data analysis process attempting to fit a linear regression model to explain variances in reported salaries among the respondents
Dec 25, 2021
Sivuyile Nzimeni
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