AI glossary
What is precision?
Short answer
Of the items predicted positive, the fraction that truly are positive: TP / (TP + FP).
For example
If a spam filter flags 100 emails and 90 really are spam, its precision is 90%.
Learn it in a free lesson
- Is my model any good?Intermediate · 6 min
- Fine-tuning on a budget: LoRA & quantisationAdvanced · 6 min
Questions
What is precision in simple terms?
Of the items predicted positive, the fraction that truly are positive: TP / (TP + FP).
What is an example of precision?
If a spam filter flags 100 emails and 90 really are spam, its precision is 90%.
Where can I learn about precision for free?
AI in Bed explains it in the free lesson "Is my model any good?" (Intermediate level, 6 minutes), with no sign-up.