Sivuyile Nzimeni
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data analysis
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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
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
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
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
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