Siji Oluloto


Data Analyst


About Me


Hello there,
My name is Siji.
I'm a Data Analyst who is passionate about using research, data analytics and data visualization tools like Excel, Tableau, SQL and Power Bl to understand customer behaviour, provide insights, improve business processes and increase product sales.You can have a look at my projects and data visualizations below.Thanks for visiting my portfolio!


Featured Projects


Tableau
Global Passport Ranking

The primary aim of the project was to explore the visa-free access of various countries’ passports and the YOY changes in the number countries that each country could access.


SQL | Excel | Tableau
COVID-19 Data Exploration

The primary aim of the project was to explore and gain insights about the COVID-19 pandemic in order to comprehend it’s impact on public health globally using SQL, Excel and Tableau


Tableau
Dog Bites in New York City

The purpose of this project was to explore, analyze and understand dog bites & attacks in New York City from 2015 to 2021 using Tableau.


Global Passport Ranking | Tableau


Background
The primary aim of the project was to explore the visa-free access of various countries’ passports and the changes in the number countries that each country could access between 2022 and 2023.
Focus Questions
★ What 5 countries had the most visa-free access to other countries via their passports in 2022 and 2023?
★ What 5 countries had the least visa-free access to other countries via their passports in 2022 and 2023?
★ Which country’s passport had the highest increase in the number of countries it could access visa-free between 2022 and 2023?
★ Which country’s passport had the highest decrease in the number of countries it could access visa-free between 2022 and 2023?
Data Analysis Process
❎ Data Gathering
❎ Data Cleaning
❎ Data Visualization
❎ Sharing Insights

Key Findings
✅ Japan, Singapore, South Korea, Germany and Spain had the most visa-free access to other countries in 2022
✅ Japan, Singapore, South Korea, Germany and Italy had the most visa-free access to other countries in 2023
✅Yemen, Pakistan, Syria, Iraq and Afghanistan had the least visa-free access to other countries in both 2022 and 2023
✅ Andorra, Argentina, Kuwait, Poland and San Marino had the highest increase (+4) in the number of countries they could access visa-free between 2022 and 2023
✅ Russia had the highest decrease (-5) in the number of countries it could access visa-free between 2022 and 2023
You can interact with the final dashboard here on Tableau