API.R

library(plumber)

#* @apiTitle Cars Model App

#* @param cyl number of cylinders,
#* @param disp displacement
#* @param hp horse-power
#* @param drat drat
#* @param wt weight
#* @param qsec qsec
#* @param vs vs
#* @param am am
#* @param gear number of gear level
#* @param carb carbonmono-oxide emission
#* @post /predict
function(cyl,disp,hp,drat,wt,qsec,vs,am,gear,carb){
  
  new_data <- data.frame(
    cyl = as.numeric(cyl),
    disp = as.numeric(disp),
    hp = as.numeric(hp),
    drat = as.numeric(drat),
    wt = as.numeric(wt),
    qsec = as.numeric(qsec),
    vs = as.numeric(vs),
    am = as.numeric(am),
    gear = as.numeric(gear),
    carb = as.numeric(carb)
  )
  
  model <- readRDS("lm_model")
  
  response = predict(model,new_data)
  
  return(response)
  
}