Data by AI HUB Academy
Learn the work, then unlock it
Beginner → Verified → Professional → Expert → Quality Reviewer. Verified needs the intro course plus 90% accuracy on 8 graded items. Certificates are issued inside this app when you score 80% or higher.
Introduction to Data
Beginner · 30 minWhat a record, a dataset and a label are, and why Africa's languages and markets need careful data.
Data Collection Fundamentals
Beginner · 35 minPlan a collection before the first row: population, consent, instrument and what you will not collect.
Data Cleaning
Beginner · 30 minFind duplicates, broken types and missing values without silently inventing facts.
Data Annotation
Beginner · 40 minLabels need a guide, examples and a way to measure agreement.
Image Annotation
Intermediate · 35 minClass labels and boxes, drawn tight, without capturing people you do not need.
Audio Transcription
Intermediate · 30 minWrite what was said, mark unclear audio, and never invent a speaker's words.
Translation for AI
Intermediate · 30 minMeaning, names and tone. Do not smooth away the source.
NLP Dataset Creation
Intermediate · 40 minSplits, labels and language tags that another team can trust.
AI Response Evaluation
Intermediate · 35 minJudge answers for usefulness, local fit and safety. Do not reward fluent nonsense.
Data Quality Assurance
Advanced · 35 minRead the quality score as a set of measurements, not a badge.
Data Privacy and Ethics
Beginner · 40 minConsent, minimisation, and the datasets this platform will not sell.
Data Analysis and Visualization
Intermediate · 35 minSummaries and charts that do not overclaim.
Dataset Documentation
Intermediate · 30 minWrite a data card someone can refuse or accept.
Building Commercial Datasets
Advanced · 30 minLicence, ownership and the platform fee. No fee is collected while payments are disconnected.