|
|
|
|
|
|
| required_pkgs <- c(
|
| 'data.table', 'ggplot2', 'sf', 'raster', 'rgdal', 'rgeos',
|
| 'maptools', 'RColorBrewer', 'beanplot', 'lme4', 'ggsci', 'mapdata', 'maps'
|
| )
|
|
|
| installed <- rownames(installed.packages())
|
| to_install <- setdiff(required_pkgs, installed)
|
|
|
| if(length(to_install) == 0){
|
| message('All required packages already installed: ', paste(required_pkgs, collapse=', '))
|
| quit(status = 0)
|
| }
|
|
|
| message('Packages to install: ', paste(to_install, collapse = ', '))
|
|
|
| repos <- getOption('repos')
|
| if(is.null(repos) || repos['CRAN']=='@CRAN@') options(repos='https://cloud.r-project.org')
|
|
|
| install_success <- list()
|
| for(pkg in to_install){
|
| message('Installing ', pkg, ' ...')
|
| tryCatch({
|
| install.packages(pkg, dependencies = TRUE)
|
| install_success[[pkg]] <- pkg %in% rownames(installed.packages())
|
| }, error = function(e){
|
| message('ERROR installing ', pkg, ': ', conditionMessage(e))
|
| install_success[[pkg]] <- FALSE
|
| })
|
| }
|
|
|
| message('\nInstallation summary:')
|
| for(nm in names(install_success)){
|
| message(nm, ': ', ifelse(install_success[[nm]], 'INSTALLED', 'FAILED'))
|
| }
|
|
|
| failed <- names(install_success)[vapply(install_success, function(x) !isTRUE(x), logical(1))]
|
| if(length(failed)>0){
|
| message('\nSome packages failed to install: ', paste(failed, collapse=', '))
|
| message('Notes: Spatial packages (sf, rgdal, rgeos, raster) may require external system libraries (GDAL, GEOS).')
|
| quit(status = 2)
|
| } else {
|
| message('\nAll requested packages installed successfully.')
|
| quit(status = 0)
|
| }
|
|
|
