Rancang Bangun Sistem Pakar Diagnosa Penyakit Skizofrenia Menggunakan Metode Dempster Shafer
AbstractSchizopernia is one of psychiatric disorders and it showed disorganization (setback) of personality function, so that caused disability.Schizopernia is usually experienced by people around the age of 15-35 years old. some of people still do not realize that they have likely experience of schizophrenia, due to lack of information about schizopernia. Expert systems can help diagnose schizophrenia early without meeting with a psychiatrist. This research was made using the dempster-shafer method.This method has several characteristics that are instinctively in accordance with an expert's way of thinking, but has strong mathematical basis. This system will display symptoms of schizophrenia along with prevention solutions for schizophrenia. Each symptom has belief value. The implementation of this expert system uses the PHP programming language and databes the MySql uses. Based on the results of the black box system testing it's been going well, while the accuracy of the system is tested with 30 test data and has been validated by psychiatric specialists with a system accuracy of 90% and this system can be used as an alternative in diagnosing early schizophrenia.