Table 2.

Examples of text mining (TM) case studies from 2015–2018.

NLP Methods	Methods	Application	Reference	Year
Stemming, stop words, numbers and dates removed	Logistic Regression	Detection of Adverse Childhood Experiences	[28]	2015
Stop words, lowercase, (IDF) Inverse Document Frequency	Support Vector Machine (SVM)	Identification of fall-related injuries	[29]	2015
Self-Developed Algorithm		Coronary artery disease risk assessment	[30]	2015
Tokenization, Term Frequency-Inverse Document Frequency (TF-IDF), Removal of Stopwords	Forward Neural Network with Back Propagation	Automatic diagnosis prediction	[27]	2016
		Extracting	[6]	2018