Carol Mhlanga

Carol grew a skincare brand into 5 countries using data, social media, and e-commerce. Her skincare brand became the leading brand in Zimbabwe within a year of inception. Carol realised the power of data when she utilized it effectively to help grow her brand as it guided her to make crucial decisions within the business.

After relocating back to the UK, Carol discovered the prospects that the Data School offered. She loved the idea of merging logical thinking, problem solving and consulting together and applying it to real world problems in order to present feasible solutions.

During her time in Data School, she has worked on a variety of projects which helped her to enhance her Tableau and Alteryx skills even more. These projects included the likes of using financial data for Tableau visualisations or connecting to APIs and using webscraping in Alteryx.

She has consulted for the BBC using Tableau and Alteryx to deliver world class reporting dashboards and analysis to help with decision making across their different digital platforms including podcasts, social media, radio and websites.

She has worked at PricewaterhouseCoopers (PwC) as a Data Analytics Trainer, training their workforce in Power BI and Alteryx. She delivered 40 blocks of training, training over 1300 people. She created monthly challenges to help enhance Alteryx and Power BI skills within the company as well as conducting 1-1 sessions to troubleshoot technical problems.

Alongside training, she created automation processes in Alteryx to save the Executives time spent on creating manual audit reports. She created Power BI dashboards that helped with decision making within the Analytics team.

Carol is skilled in
- Power BI and Tableau Data Visualisation
- Data Transformation in Alteryx, Tableau Prep and Power Query (PBI)
- Querying with SQL
- Agile Project Management

Certifications

Blog Posts

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Wed 31 Jul 2024 | Carol Mhlanga
Power BI - Data Models & Reports Version Control in Github and the PBI Service/Fabric
Version Control, or Source Control, in Power BI involves managing different versions of Power BI reports, datasets, and other assets to ensure consistency, traceability, and collaborative development. Here’s an overview of how version control can be implemented in Power BI. The
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Mon 15 Apr 2024 | Carol Mhlanga
Fitness Tracker App Dashboard
In today's digital age, smartphones have become our constant companions, with countless apps at our fingertips. Capturing this essence, I've crafted a unique PowerBI report that mirrors the fluidity of navigating through phone apps, but with a focus on monitoring individual fitness journeys
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Wed 15 Mar 2023 | Carol Mhlanga
Tableau Tip: How to add a 'Data Last Refreshed' Datestamp
If data is refreshed regularly, it is wise to know if you are looking at the most recent data numbers. Stakeholders will normally ask if the data is upto date, you can eliminate this question by including a datestamp to your dashboard. How to set it up: 1. Navigate to a new sheet 2
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Mon 12 Dec 2022 | Carol Mhlanga
Tableau Analyst Certification: Tips and Resources
The Tableau Analyst Certification is relatively new. We wrote it as a cohort and I was happy to pass the first time. Exam Preparation: According to Tableau, this certification is targeted at those with 6+ months of product experience
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Wed 23 Nov 2022 | Carol Mhlanga
Dashboard Week - Day 3
I was looking forward to dashboard week because it meant the end of training and also meant I could put what I have learnt into practice. Our task for Day 3 was to work with a large dataset with millions of rows. My plan was simple initially
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Fri 09 Sep 2022 | Carol Mhlanga
Jazz Up Maps with Mapbox
Create unique maps using mapbox.
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Tue 16 Aug 2022 | Carol Mhlanga
More Than an Analyst
The assumption of a data analyst is that we need to be great at being technical and produce visually pleasing reports. That is a very important aspect of the job, however, its not the only important part of being a consultant
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Mon 15 Aug 2022 | Carol Mhlanga
IF/ELSE Conditional Formula in Alteryx
A snippet of what you can do with the Formula Tool in Alteryx. In this example, we have an example of how to update a column as well as creating a new field and combining value from different columns/fields.
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Fri 12 Aug 2022 | Carol Mhlanga
Out with the Old, In with the New.
Implementing sets and parameters to improve our application Viz.
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Thu 11 Aug 2022 | Carol Mhlanga
#HowTo Sheet/Chart Swap Using Parameters
Learn step by step how to swap sheets in your dashboard using parameters.
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Thu 04 Aug 2022 | Carol Mhlanga
Alteryx vs Tableau Prep - Battle of the Preps
We don't hear much about Tableau Prep because most people are fascinated by Alteryx. In my opinion, Tableau is consistent with it's brand - its quick to learn and simple to use. Its not as advanced as Alteryx so people tend to default to Alteryx
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Wed 03 Aug 2022 | Carol Mhlanga
A Snapshot of Alteryx
A first look into Alteryx. Learning the fundamentals of Alteryx and how to build a workflow.
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Wed 03 Aug 2022 | Carol Mhlanga
Recommended Eating Spots Near Watling Street
A list of recommended restaurants around Watling Street at the Data School. The list has their websites linked to check their menus and addresses.
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