Increment version number

Author: joseph.wangwt

Diff for: DESCRIPTION

@@ -1,6 +1,6 @@
 Package: SpatPCA
 Title: Regularized Principal Component Analysis for Spatial Data
-Version: 1.3.3.6
+Version: 1.3.3.7
 Authors@R: c(person(
                 given = "Wen-Ting",
                 family = "Wang",

Diff for: NEWS.md

@@ -1,3 +1,16 @@
+## 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`.