CHANGES in `irboost' VERSION 0.1_1.0   (2022-02-15)

  o  this is previously called package ccboost. The name change better helps to understand better the algorithm
                CHANGES in `irboost' VERSION 0.1_1.3   (2023-08-03)

  o  modify executing check_s following the update of mpath package on function R/check_s
                CHANGES in `irboost' VERSION 0.1_1.4   (2024-03-06)

  o  vignettes/irbst.Rnw was substantially modified
  o  how to update Rd? The devtools::document() function updates the NAMESPACE file, and devtools::install() reinstalls the package with the updated documentation.
     library(roxygen2)
     roxygen2::roxygenize()
     devtools::document()
  o  how to build package?
     R CMD build --compact-vignettes="both" irboost
  o  convert irbst.Rnw to irbst_knitr.Rmd
     https://ulriklyngs.com/post/2021/12/02/how-to-adapt-any-latex-template-for-use-with-r-markdown-in-four-steps/
       1. Obtain irbst_jds.tex using
          R CMD Sweave irbst.Rnw
          cp irbst.tex irbst_jds.tex
          change $ to $$
          sed -i 's/\$/\$\$/g' irbst_jds.tex
          add $body$ in irbst_jds.tex to integrate code in irbst_knitr.Rmd

       2. In irbst_knitr.Rmd with the following lines
---
title: "Unified robust boosting"
output: 
  bookdown::pdf_document2:
    template: irbst_jds.tex
---
  o  convert irbst.Rnw to irbst.Rmd
       1. convert Sweave format irbst.Rnw to knitr using ...
          library(knitr)
          Sweave2knitr('irbst.Rnw') # you will get irbst-knitr.Rnw by default
       2. convert irbst-knitr.Rnw to irbst.Rmd using R function Rnw2Rmd from package mdsr
  o  change $ to $$ in a text file
     sed -i 's/\$/\$\$/g' your_file.txt
  o  some parameters in R/irboost.R are now moved to a new argument params, a list of parameters. The argument params in irboost is passed to argument params in xgboost::xgboost
                CHANGES in `irboost' VERSION 0.1_1.5   (2024-04-17)

  o  move the code part of irbst_knitr.Rmd to irbst_code.Rmd
  o  remove irbst.Rnw, irbst_jds.tex, irbst_knitr.Rmd and associated latex format files