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dcce (version 0.4.2)

.check_csa_rank: Check rank of augmented CSA matrix

Description

Verifies that the CSA matrix (with lags) is full column rank. Warns but continues if rank deficient (MG estimates remain consistent per Chudik & Pesaran 2015, p.398).

Usage

.check_csa_rank(Z, unit_id = "")

Value

Logical: TRUE if full rank, FALSE otherwise.

Arguments

Z

Numeric matrix: the CSA matrix for a given unit.

unit_id

Character: unit identifier for warning messages.