Frequency moment estimation problem

Also called F_k estimation, moments of the frequency vector.

Estimate F_k, the sum of the k-th powers of the item counts; F_0 is distinct elements and F_2 is the second moment.

About this page

The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.

Ladder	Level	What the next level needs
Human proof	H0 no proof	add a proof in proofs/ (06.5)
Lean	L0 no Lean part	name a Lean module in the lean field (07)
Visual	V0 none	add viz/scene.ts or a figure (10)
Writing	W0 stub	Definition one source with a locator