NEWS.md

In SpatPCA: Regularized Principal Component Analysis for Spatial Data

SpatPCA v1.3.6 (Release date: 2024-01-12)

Overview

This release focuses on 1. fixing the warnings from the earlier Rcpp pacakge. 2. adding LICENSE 3. refining README

SpatPCA v1.3.4 (Release date: 2023-11-11)

Overview

This release focuses on refining the package to comply with CRAN's regulatory standards.

MAINTENANCE

• Achieve code coverage exceeding 100%
• Upgrade RcppParallel to version 5.1.7
• Correct typos for improved clarity

SpatPCA v1.3.3.7 (Release date: 2023-01-28)

Overview

In this release, we focus on package maintenance.

MAINTENANCE

• Enhance code coverage over 99%
• Update deprecated R settings and GitHub workflow files
• Fix memory leak errors caused by tbb backend in RcppParallel when testing the package on the platform Debian Linux, R-devel, GCC ASAN/UBSAN
• Enhance the readability of the resultant plot by adding math expression
• Fix grammar errors

SpatPCA v1.3.3.0 (Release date: 2021-01-31)

Overview

In this release, we take care of the perspective of software quality by refactoring code for better readability and adding unit-tests. Accordingly, we add multiple features by separating implicit functions from spatpca.

NEW FEATURES

1. thinPlateSplineMatrix() for producing a thin-plane spline matrix
2. predictEigenfunction()for estimating K dominant patterns on new sites
3. predict() for predicting new target variable Y on new sites
4. plot() for spatpca objects for plotting M-fold CV results

MAINTENANCE

• Add unit tests with code coverage 87%

SpatPCA v1.3.7 (Unreleased)

Overview

• Remove the RcppParallel dependency and run computation sequentially to improve compatibility with CRAN checks.
• Replace vignette animations with static figures to avoid optional multimedia dependencies.
• Symmetrise matrices before inversion to silence Armadillo warnings.

SpatPCA documentation built on Nov. 5, 2025, 5:42 p.m.