Paper Citation Record · LEDGER

ppmlhdfe: Fast Poisson Estimation with High-Dimensional Fixed Effects

As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1903.01690.

A citation records a reference. It does not transfer a finding from one paper to another.

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 2 of 2 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-03T02:05:27.766797Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

0 of 0 outbound references displayed

External citation measurements

No source-named external measurement is stored.

No outbound reference observations are available for this paper version.

Observation fd62c108-7bf8-4ddb-be20-4e24b82b272a · inbound

Reference 18

Resolution: unresolved; no resolver link, observed 2026-07-14T13:14:19.329084Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 711c379c-3d29-4b42-af00-c377a046af80 · inbound

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-03T02:05:27.766797Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.