Every analysis is only as good as the data behind it, and most analyst time goes into preparation, not modelling. This ten-day course builds a systematic approach to cleaning, validating and structuring messy datasets before they ever reach a dashboard or model.
Analysts routinely spend more time preparing data than analysing it, yet preparation is rarely taught as a discipline in its own right. This course changes that, covering systematic approaches to identifying data quality issues, handling missing and inconsistent values, standardising formats and validating datasets before use.
Participants practise on genuinely messy sample datasets spanning spreadsheets, exports and database extracts, building reusable cleaning workflows in spreadsheet tools and Python so the same rigour can be applied to any new dataset that lands on their desk.
Throughout the programme, participants work through realistic scenarios drawn from technology organizations, digital transformation programmes, data-driven enterprises, and public sector IT environments, examining how data preparation and cleaning is applied in practice and where it most often breaks down. Delegates will develop practical skill in designing appropriate frameworks, selecting and applying the right tools for peer review and feedback, interpreting findings, and communicating conclusions clearly to colleagues, management and external stakeholders. Sessions move deliberately from principles to application, so that each technique introduced is practised against a realistic problem before the programme moves on — strengthening both individual effectiveness and the wider capability of the organizations delegates return to.
By the end of this course, participants will be able to:
By the end of the Data Preparation and Cleaning Training, participants will leave with:
This training course adopts a practical, participant-centered learning approach that builds data preparation and cleaning expertise, strengthens analytical capability and develops confident professional judgement. The methodology combines specialist facilitation, applied hands-on experience and globally recognized professional practice, so that delegates return able to apply what they have learned immediately rather than in theory only.
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This course is suited to anyone whose work depends on clean, reliable data, including:
A Certificate of Completion from Vision Reach Global Consultancy is awarded to all participants who complete the course. The fee includes practice datasets deliberately built with realistic data quality issues, course workbooks, refreshments and certificate processing. Facilitators bring hands-on data preparation experience across sectors.
Everything you need to know about this course before you register.
By the end of the Data Preparation and Cleaning Training programme, you'll be able to identify common data quality issues across different data sources, handle missing, duplicate and inconsistent data systematically, standardise formats, units and categorical values across datasets, and validate datasets against business rules before analysis. The full breakdown of topics is covered session by session in the Course Outline tab above.
This course is suited to anyone whose work depends on clean, reliable data, including: Data analysts and junior data scientists, Business intelligence and reporting staff, Research and M&E officers, Finance and operations analysts working with spreadsheets, Administrative staff responsible for data entry and quality, IT Managers and Systems Administrators, and Software Developers and Engineers.
Data Preparation and Cleaning Training typically runs as 10 Days. It's available as in-person classroom training — every course can also be delivered on-site for your team on dates that suit you.
Data Preparation and Cleaning Training is scheduled in-classroom in Mombasa, Kenya, Naivasha, Kenya, Nairobi, Kenya, and Kisumu, Kenya, and 14 other locations, plus a live interactive virtual classroom you can join from anywhere. Check the schedule panel above for exact upcoming dates and fees in each location.
The next live virtual cohort of Data Preparation and Cleaning Training starts October 12, 2026, with new classroom cohorts also running on a rolling basis. Pick a date and location in the schedule panel above, then click "Register for the Course" — it takes a few minutes and your seat is confirmed once payment or a signed purchase order is received.
Yes — delegates who meet the attendance requirement receive a CPD-accredited Certificate of Completion for Data Preparation and Cleaning Training from Vision Reach Global Consultancy, issued in the name you register with, so double-check the spelling at checkout.
Data Preparation and Cleaning Training is pitched at foundation to intermediate professionals. If you're unsure whether it's the right fit for your current role or background, message our training advisors before you register and they'll help you confirm.
Fees for Data Preparation and Cleaning Training vary by delivery location and format and are shown in real time in the schedule panel above once you pick a date. Register 3 or more delegates on the same course together and a 5% team discount is applied automatically — larger cohorts can request a custom corporate quote.
Yes — Data Preparation and Cleaning Training can be delivered on-site at your offices (or virtually for distributed teams), with case studies and examples tailored to your industry and the specific challenges your team is working through. Switch to the "In-House" tab in the schedule panel above to request a proposal.
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