Skip to content

recover Driver Eq. 5 of addedT0TIPREDVAR as λ² t0_b² v + θ (observed) #323

Description

@seonghobae

One atomic recover after #321: Driver, Oud, and Voelkle (2017, Table 3 T0TIPREDEFFECT; Eq. 5, p. 5; Table 2 MANIFESTVAR is Θ not Var(y)) extra first-occasion TI variance composed with the measurement model.

Map. Form t0_b² v first (addedT0TIPREDVAR), then recover_manifest_observed_variance(λ, t0_b² v, θ) so the observed composition is λ² t0_b² v + θ.

Distinct from TRAITVAR, TRAITVARstd, addedTIPREDVAR (B/a)² v, T0VAR, MANIFESTVAR θ, latent t0_b² v, and the θ=0 extra λ² t0_b² v (#308).

Fail closed. v < 0 fails closed. Non-event clock fails closed. Zero t0_b or zero v is exactly θ. Zero loading is exactly θ. Do not require stable a < 0 (free first-occasion T0TIPREDEFFECT).

Four files only: event_time.rs, error.rs, lib.rs, scientific_claim_boundary_contract.rs. Do not reuse branch feat/psychometric-eq5-added-t0-tipred-var or agent/psychometric-eq5-added-t0-tipred-var-on-main (#308).

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions