R/principal.R

In tutorin/tutorinR:

# Hello, world!
#
# This is an example function named 'hello'
# which prints 'Hello, world!'.
#
# You can learn more about package authoring with RStudio at:
#
#   http://r-pkgs.had.co.nz/
#
# Some useful keyboard shortcuts for package authoring:
#
#   Build and Reload Package:  'Ctrl + Shift + B'
#   Check Package:             'Ctrl + Shift + E'
#   Test Package:              'Ctrl + Shift + T'

faltantes <- function(x){

  cantidad <- 0
  name_var <- 0
  valor_falta <- 0
  proporcion <- 0
  cantidad <- c(1:dim(x)[2])


  for(i in cantidad){

    name_var[i] <- names(x[i])
    valor_falta[i] <- sum(is.na(x[i]))
    proporcion[i] <- (valor_falta[i])/(dim(x)[1])

  }

  resumen <- data.frame(name_var, valor_falta, proporcion)
  return(resumen)

}



data_representativa <- function (x,p){
  f <- faltantes(x);
  n <- subset(f, f$proporcion > p,1);
  n <- n$name_var;
  retornar <- x[,n]
  return(retornar);
}