Table 2.

List of easy data augmentation algorithm.

Synonym replacement:	A word in a sentence is randomly selected and replaced with one of the synonyms for that word. The stop words were excluded from the analysis.
Random insertion:	Randomly select a word in a sentence and randomly insert it into another position in the sentence. The stop words were excluded from the analysis.
Random swap:	Randomly select two words in a sentence and swap their positions.
Random deletion:	Randomly Deletes a word in a sentence with probability p.