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rtmpinv  

Tabular Matrix Problems via Pseudoinverse Estimation
View on CRAN: Click here


Download and install rtmpinv package within the R console
Install from CRAN:
install.packages("rtmpinv")

Install from Github:
library("remotes")
install_github("cran/rtmpinv")

Install by package version:
library("remotes")
install_version("rtmpinv", "2.0.0")



Attach the package and use:
library("rtmpinv")
Maintained by
Ilya Bolotov
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-12-03
Latest Update: 2025-12-03
Description:
The Tabular Matrix Problems via Pseudoinverse Estimation (TMPinv) is a two-stage estimation method that reformulates structured table-based systems - such as allocation problems, transaction matrices, and input-output tables - as structured least-squares problems. Based on the Convex Least Squares Programming (CLSP) framework, TMPinv solves systems with row and column constraints, block structure, and optionally reduced dimensionality by (1) constructing a canonical constraint form and applying a pseudoinverse-based projection, followed by (2) a convex-programming refinement stage to improve fit, coherence, and regularization (e.g., via Lasso, Ridge, or Elastic Net).
How to cite:
Ilya Bolotov (2025). rtmpinv: Tabular Matrix Problems via Pseudoinverse Estimation. R package version 2.0.0, https://cran.r-project.org/web/packages/rtmpinv. Accessed 24 Oct. 2026.
Previous versions and publish date:
(2026-07-09 06:54), 0.1.0 (2025-12-03 21:30), 0.2.0 (2026-01-30 21:10), 0.3.0 (2026-03-10 13:40), 1.0.0 (2026-05-16 23:50), 1.1.0 (2026-06-07 19:10)
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