Data → Data Foundations
Dataset
A structured collection of data used for analysis, training, testing, or operational workflows.
Motivation
A dataset solves the problem of giving analysis or training a defined body of examples to work with.
Where it fits
It belongs to data and AI applications.
Mental model
A dataset is not just files; it is a collection with meaning, schema, quality, labels, and assumptions.
Important details
Useful datasets need provenance, cleaning rules, splits, and documentation of bias or limitations.
Common mistakes
- Assuming more data is always better.
- Ignoring how the dataset was produced.