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UCI Machine Learning Repository

A collection of datasets useful for learning and experimenting with machine learning workflows.

datasetsmachine learningexperiments

Quick facts

ProviderUCI
PricingFree
VerifiedAug 24, 2026

Why this resource is useful

UCI provides datasets for practicing preprocessing, model selection, evaluation, and comparison.

Best for

Students and early-career ML learners who need project datasets.

How to use it

Choose a clear target, define a baseline, inspect the data carefully, evaluate multiple approaches, and document failure cases.