Malay root words

There is a data frame of Malay root words that can be used as a dictionary:

#>   Col Word Root Word
#> 1       ad       ada
#> 2       ak       aku
#> 3      akn      akan
#> 4      ank      anak
#> 5       ap       apa
#> 6      awl      awal

Stem Malay words

stem_malay() will find the root words in a dictionary, in which the malayrootwords data frame can be used, then it will remove “extra suffix”“,”prefix" and lastly “suffix”

To stem word “banyaknya”. It will return a data frame with the word “banyaknya” and the stemmed word “banyak”:

stem_malay(Word = "banyaknya", dictionary = malayrootwords)
#>    Col Word root_word
#> 1 banyaknya    banyak

To stem words in a data frame:

  1. Specify the data frame
  2. Specify the dictionary
  3. Specify the column that needs to be stemmed

x <- data.frame(text = c("banyaknya","sangat","terkedu", "pengetahuan"))

stem_malay(Word = x, 
          dictionary = malayrootwords, 
          col_feature1 = "text")
#>      Col Word root_word
#> 1   banyaknya    banyak
#> 2      sangat    sangat
#> 3     terkedu      kedu
#> 4 pengetahuan      tahu

Remove URLs

remove_url will remove all urls found in a string

x <- c("test", "another one to try")

#> [1] "test "               "another one  to try"