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# Naledi Hollbruegge

Consulting Analyst

## Sitemaps

- [XML Sitemap](https://naledi.co.uk/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Designing for Impact: A User-Centred Approach to Data Visualisation](https://naledi.co.uk/blog/designing-for-impact-a-user-centred-approach-to-data-visualisation/) - UX techniques and lessons for your next data visualisation project.
- [Airtable and Alteryx](https://naledi.co.uk/blog/airtable-and-alteryx/) - How to use the Airtable API to pull data into Alteryx for further processing.
- [Calculation testing in Tableau - A beginners guide](https://naledi.co.uk/blog/calculation-testing-in-tableau-a-beginners-guide/) - Two techniques to use to really understand what your calculations are doing in Tableau.
- [Do Good with Data: Let’s talk about TIL+](https://naledi.co.uk/blog/do-good-with-data-lets-talk-about-til/) - How do you share your tech expertise to help drive social change? Benedetta Tagliaferri and Naledi Hollbruegge talk about TIL+ in this recorded presentation.
- [How to build your data visualisation portfolio](https://naledi.co.uk/blog/how-to-build-your-data-visualisation-portfolio/) - Practical tips to create a portfolio that will help you get hired.
- [Elevate your career by learning HTML and CSS for free](https://naledi.co.uk/blog/learn-html-and-css/) - My experience and tips for how to learn the basics of HTML and CSS for free with online resources.
- [DataCamp Conference session: Tips for building an effective data science portfolio](https://naledi.co.uk/blog/my-datacamp-conference-talk-tips-for-building-an-effective-data-science-portfolio/) - Watch my DataCamp conference session on how to create an effective portfolio. In this fireside chat I share my personal tips on how to best showcase your skills and mistakes to avoid.
- [Understanding your data in Tableau - A step by step guide](https://naledi.co.uk/blog/understanding-your-data-in-tableau-a-step-by-step-guide/) - Tips for how to familiarise yourself with your data to generate meaningful insights in Tableau.
- [Training the team at Operation Fistula](https://naledi.co.uk/blog/training-the-team-at-operation-fistula/) - How do you start training a team in Tableau when people have diverse backgrounds, sometimes limited data experience and little time in their workday to practise?
- [Do you need to be a SQL expert as a Tableau developer?](https://naledi.co.uk/blog/do-you-need-to-be-a-sql-expert-as-a-tableau-developer/) - When looking through job ads SQL skills are often highly sought for Tableau developers, but does the role really need them? And do you need to be good at SQL expert if you are a Tableau expert?
- [2022 - My year in review](https://naledi.co.uk/blog/2022-in-review/) - Looking back at work and life in 2022, my first year as a full-time independent data analyst
- [Exporting CommCare data](https://naledi.co.uk/blog/exporting-commcare-data/) - Learn about the three methods to export CommCare data and which one is right for you.
- [Tableau Conference Recap - #data17](https://naledi.co.uk/blog/tableau-conference-recap-data17/) - A reflection on my first Tableau Conference in London in 2017.
- [Using Alpine.js with the Tableau JavaScript API](https://naledi.co.uk/blog/using-alpine-js-with-the-tableau-javascript-api/) - How to use Alpine.js and the Tableau JavaScript API to embed Tableau dashboards in your web pages.
- [Connecting to Exasol with Alteryx](https://naledi.co.uk/blog/connecting-to-exasol-with-alteryx/) - Instructions for setting up your Exasol connection in Alteryx for the first time.
- [Parsing an Exasol Date in Tableau](https://naledi.co.uk/blog/parsing-an-exasol-date-in-tableau/) - How to set up a calculation in Tableau to translate a string into a recognised date for Exasol.
- [Import multiple files to Alteryx with the Directory tool](https://naledi.co.uk/blog/import-multiple-files-to-alteryx-with-the-directory-tool/) - The directory tool in Alteryx extracts all information about a folder. Find out how you can use it to import multiple files at once.
- [Getting started with Exasol for Tableau and Alteryx users - Connecting to Tableau](https://naledi.co.uk/blog/getting-started-with-exasol-for-tableau-and-alteryx-users-connecting-to-tableau/) - Step by step instructions to connect to your Exasol database for the first time.
- [Exasol for Tableau and Alteryx users -Installing Exaplus](https://naledi.co.uk/blog/exasol-for-tableau-and-alteryx-users-installing-exaplus/) - A quick introduction to installing exaplus, to interact with your Exasol database.
- [Create a custom multiple values filter in Tableau with a Parameter Action](https://naledi.co.uk/blog/create-a-custom-multiple-values-filter-in-tableau-with-a-parameter-action/) - Create a custom filter in Tableau to match your dashboard design, that lets you select and deselect multiple items.
- [Next level LOD filtering in Tableau](https://naledi.co.uk/blog/next-level-lod-filtering-in-tableau/) - Set up a filter in Tableau that lets you select a whole category by selecting a member of the subcategory.
- [Why is your map not working? – An introduction to mapping in Tableau](https://naledi.co.uk/blog/why-is-your-map-not-working-an-introduction-to-mapping-in-tableau/) - Understand how Tableau maps work and find solutions to common problems.
- [How to interpret a linear regression line in Tableau](https://naledi.co.uk/blog/how-to-interpret-a-linear-regression-line-in-tableau/) - A regression line is easy to create in Tableau, but do you know how to interpret it and gain valuable insights?
- [Show sheets as tabs on Tableau Public](https://naledi.co.uk/blog/how-sheets-as-tabs-on-tableau-public/) - A quick Tableau tip on how to show your whole workbook on Tableau Public rather than just one sheet.
- [#VizForSocialGood - Tomorrow Today Data](https://naledi.co.uk/blog/vizforsocialgood-tomorrow-today-data/) - Understand the data preparation process and download the Alteryx workflow and data to the 2017 #VizForSocialGood project for 'Tomorrow Today
- [Reflections Part II - What I learned at The Data School](https://naledi.co.uk/blog/reflections-part-ii-what-i-learned-at-the-data-school/) - Reflections on my four placements during my time at The Data School and what I learned.
- [Dual axis mapping in Tableau with custom and generated coordinates](https://naledi.co.uk/blog/dual-axis-mapping-in-tableau-with-custom-and-generated-coordinates/) - How to set up your Tableau map with custom and generated coordinates (versions 2018.1 - 2020.3)
- [Reflections Part I – Why I joined the Data School](https://naledi.co.uk/blog/reflections-part-i-why-i-joined-the-data-school/) - A reflection on my career before The Data School and the first four months of my training at The Information Lab.
- [Change your mark colour when using an action filter in Tableau](https://naledi.co.uk/blog/change-your-mark-colour-when-using-an-action-filter-in-tableau/) - Set up your Tableau visualisation, so that the colour of your visualisation matches the category you are filtering to.
- [Four things I learned building my first iterative macro in Alteryx](https://naledi.co.uk/blog/four-things-i-learned-building-my-first-iterative-macro-in-alteryx/) - Learn the difference between iterative and batch macros and get tips for creating iterative macros in Alteryx.

## Pages

- [Home](https://naledi.co.uk/) - Freelance data analyst, social researcher and information visualisation specialist, offering project support and training
- [Cookie Policy (UK)](https://naledi.co.uk/cookie-policy-uk/) - This Cookie Policy was last updated on July 31, 2025 and applies to citizens and legal permanent residents of the United Kingdom.1. IntroductionOur website, https://naledi.co.uk (hereinafter: "the website") uses cookies and other related technologies (for convenience all technologies are referred to as "cookies"). Cookies are also placed by third parties we have engaged. In the
- [Blog](https://naledi.co.uk/blog/) - Blog Alteryx Tableau Data Career Survey Webdev Alteryx Tableau Data Career Survey Webdev Designing for Impact: A User-Centred Approach to Data Visualisation UX techniques and lessons for your next data visualisation project. Full post June 29, 2023 DataCamp Conference session: Tips for building an effective data science portfolio Watch my DataCamp conference session on how

## Categories

- [Uncategorized](https://naledi.co.uk/blog/category/uncategorized/)
- [Tableau](https://naledi.co.uk/blog/category/tableau/)
- [Alteryx](https://naledi.co.uk/blog/category/alteryx/)
- [Data](https://naledi.co.uk/blog/category/data/)
- [Career](https://naledi.co.uk/blog/category/career/)
- [Survey](https://naledi.co.uk/blog/category/survey/)
- [Webdev](https://naledi.co.uk/blog/category/webdev/)

## Tags

- [Portfolio](https://naledi.co.uk/blog/tag/portfolio/)
- [Featured](https://naledi.co.uk/blog/tag/featured/)