Name: Hands-On Data Cleaning in R with Regular Expressions
Start: 2025-05-30T17:00:00+01:00
End: 2025-05-30T19:00:00+01:00

**Event Announcement: UNILORIN R Users Group Meetup Series**
🎉 **Event Theme:** Hands-On Data Cleaning in R with Regular Expressions
📅 **Date:** Friday, May 23, 2025, at 5 PM WAT
⏰ **Duration:** 2-hour session
📍 **Venue:** Zoom

Join us for another practical session in the UNILORIN R Users Group Meetup Series! This hands-on workshop is perfect for anyone eager to master data cleaning in R using regular expressions. Whether you're new to regex or looking to sharpen your pattern-matching skills, you’ll gain real-world experience through live coding and exercises.

🔍 **What You’ll Learn:**

**Introduction to Regular Expressions in R**
Get familiar with regex syntax and its role in data cleaning workflows.

**Stringr and Base R Functions**
Work with key functions such as ***str_detect***, ***str_replace***, ***grepl,*** and ***gsub***.

**Pattern-Matching Techniques**
Construct effective patterns for dates, phone numbers, emails and more.

**Data Cleaning Workflows**
Apply regex methods to tidy messy datasets, handle missing entries and standardise text fields.

**Hands-On Lab Exercise**
Solve a real-life data cleaning challenge from start to finish.

**Tips & Best Practices**
Learn strategies for writing efficient, maintainable regex and avoiding common pitfalls.

This interactive session is beginner-friendly, packed with code demos, collaborative problem solving, and dedicated Q&A time.

**RSVP Now!**
Secure your spot and elevate your data cleaning workflow using R programming. We look forward to tackling messy data together!

Ogundepo Ezekiel

Dr. Samuel Farohunbi

Dr. MK Garba

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Victor Ordu, MBBS, is a Nigerian data scientist, public health consultant, and open-source software advocate whose journey combines clinical medicine, environmental health regulation, and cutting-edge data science. After ten years practising as a medical doctor in diverse Nigerian healthcare settings, Victor discovered the transformative power of data in shaping health policy and outcomes. This revelation led him to embrace R as his principal analytic tool and to devote himself to making scientific computing more accessible and reproducible.

In 2022, Victor was selected for rOpenSci’s inaugural Champions Programme, where he collaborated with mentors and peers to develop sustainable, community-focused software. His flagship project, **naijR**, provides a suite of functions for retrieving and visualising Nigerian spatial and political data with minimal dependencies. Guided by the rOpenSci peer-review process, Victor shepherded **naijR** from its initial proposal through rigorous community review to its CRAN release in December 2023. He continues to maintain and improve the package, responding to user feedback and extending its functionality.

Alongside his development work, Victor is a certified RStudio Tidyverse instructor. He designs and delivers workshops for universities, non-governmental organisations and private-sector teams across Nigeria, teaching tools such as **dplyr**, **ggplot2** and **tidyr** in hands-on sessions that emphasise reproducibility and best practices. His recorded webinar on **naijR** has guided analysts through real-world mapping scenarios, empowering researchers to create clear, actionable insights from raw data.

Victor’s unique combination of medical training, public health expertise and open-source leadership has positioned him as a thought leader in Africa’s data science community. Whether mentoring new contributors, refining package documentation or presenting at conferences, he remains committed to the principles of openness, collaboration and education—ensuring that the benefits of data science extend far beyond the laboratory and into impactful real-world applications.

Unilorin R Users Group

Hands-On Data Cleaning in R with Regular Expressions

Unilorin R Users Group

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