# Changelog
All notable changes to the DimReduction.R script for GeoMx(R) DSP will be documented in this file.

## [1.2] - 2021-09-29
### Changed 
- Amendment of extend_palette to avoid warning when extending < 3
- Edited vignette
- Updated plug-in to clarify it is compatible with WTA products

### Added
- Augmented validation of arguments passed into the function
- References to vignette for color choices and options in plug-in annotations
- Compatibility with GeomxTools data objects

## [1.1] - 2021-03-12
### Changed 
- PCA function updated to use scaling
- Word document vignette updated to reflect change in code calling scaling of PCA

### Added
- changelog file
- Version number added to plugin script code

## [1.0] - 2021-03-01
### Added
- Perform implementation of PCA through stats::prcomp
- Perform implementation of tSNE through Rtsne::Rtsne
- Perform implementation of UMAP through umap::umap
- Generate plots based on user set parameters for color, shape and size
- Output plots based on user set parameter for plot type
- Output excel file capturing dimension reduction outputs and sample annotations
- License file
- Word document vignette describing intended use and interpretation