R/principalcomp.R

In tejasavkhattar/testpackage:

#copyright 2018 Helikar Lab

#Developed by Achilles Gasper Rasquinah, Tejasav Khattar,Shubham Kumar, Vinit Ravishankar and Akram Mohammed

#This program is free software: you can redistribute it and/or modify it under
#the terms of the GNU General Public License as published by the Free Software
#Foundation, either version 3 of the License, or (at your option) any later
#version. This program is distributed in the hope that it will be useful, but
#WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
#details. You should have received a copy of the GNU General Public License
#along with this program. If not, see <http://www.gnu.org/licenses/>
principalcomp <- function(data, classify){
  library(jsonlite)
  data <- fromJSON(data)
  data <- na.omit(data)
  library(ggfortify)
  df <- data[,-grep(classify, names(data))]
  autoplot(prcomp(df))
  autoplot(prcomp(df), data = data, colour = classify,
           loadings = TRUE, loadings.colour = 'blue',
           loadings.label = TRUE, loadings.label.size = 7)
}