Required packages

require(BiocManager)
## Loading required package: BiocManager
require(devtools)
## Loading required package: devtools
## Loading required package: usethis
## 
## Attaching package: 'devtools'
## The following object is masked from 'package:BiocManager':
## 
##     install

LEA

if(!nzchar(system.file(package = "LEA"))) {
  BiocManager::install("LEA")
}

pcaMethods

if(!nzchar(system.file(package = "pcaMethods"))) {
  BiocManager::install("pcaMethods")
}

GAPIT

if(!nzchar(system.file(package = "GAPIT"))) {
  devtools::install_github("jiabowang/GAPIT")
}