MASS not available for R 4.3.3???

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3

You can use cran package 'pkgsearch' to look at historical versions

mysearch <- function(pkg){
require(tidyverse)
require(pkgsearch)
  cran_package_history(pkg) |> 
  select(Package,Date,Version,dependencies) |> 
  rowwise() |> 
  mutate(Date=ymd(Date),
         R_VERSION = filter(dependencies,package=="R")) |> 
  ungroup() |> 
  arrange(desc(Date))
}

mysearch("MASS")

# A tibble: 70 × 5
   Package Date       Version    dependencies  R_VERSION$type $package $version
   <chr>   <date>     <chr>      <list>        <chr>          <chr>    <chr>   
 1 MASS    2024-01-12 7.3-60.0.1 <df [10 × 3]> Depends        R        >= 4.0  
 2 MASS    2024-01-12 7.3-60.2   <df [10 × 3]> Depends        R        >= 4.4.0
 3 MASS    2023-07-13 7.3-60.1   <df [10 × 3]> Depends        R        >= 4.4.0
 4 MASS    2023-07-07 7.3-58.3   <df [10 × 3]> Depends        R        >= 3.3.0
 5 MASS    2023-05-02 7.3-60     <df [10 × 3]> Depends        R        >= 4.0  
 6 MASS    2023-04-03 7.3-59     <df [10 × 3]> Depends        R        >= 4.2.0
 7 MASS    2023-01-21 7.3-58.2   <df [10 × 3]> Depends        R        >= 3.3.0
 8 MASS    2022-07-27 7.3-58.1   <df [10 × 3]> Depends        R        >= 3.3.0
 9 MASS    2022-07-14 7.3-58     <df [11 × 3]> Depends        R        >= 3.3.0
10 MASS    2022-05-29 7.3-57.1   <df [10 × 3]> Depends        R        >= 3.3.0
# ℹ 60 more rows

and if you use a package manager like renv that can install specific versions via its MASS@version syntax (i.e. renv::install("MASS@7.3-60")
you might be able to cobble together a solution.

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