R/impKNN.R

In imputeLCMD: A Collection of Methods for Left-Censored Missing Data Imputation

#' @title Imputation with KNN
#' 
#' @description This function performs missing values imputation based on KNN algorithm
#' 
#' @param dataSet.mvs expression matrix with MVs (either peptides or proteins)
#' @param K the number of neighbors
#' 
#' @return dataset containing complete abundances
#'  
#' @export
#' @importFrom impute impute.knn
#' 
impute.wrapper.KNN = function(dataSet.mvs,K){
  
  resultKNN = impute.knn(dataSet.mvs ,k = K, rowmax = 0.99, colmax = 0.99, maxp = 1500, rng.seed = sample(1:1000,1))
  dataSet.imputed = resultKNN[[1]]
  
  return(dataSet.imputed)
  
}