Group Lasso for Identifying Tuberculosis Influenced Factors in West Java


  • Septian Rahardiantoro Department of Statistics, IPB University, Bogor, 16680, Indonesia
  • Anang Kurnia Department of Statistics, IPB University, Bogor, 16680, Indonesia



group factor, group lasso, ordinary least square, Tuberculosis


Tuberculosis (TB) is a disease caused by bacteria that can affect serious infection in the lungs. It can spread from one person to another through tiny droplets released into the air via coughs and sneezes. West Java is one of the locations with the largest TB sufferer in Indonesia. This research used the number of TB cases data in West Java 2017 to identify group of factors that can influence TB infections. The group factors applied include health factor, environment factor, health facility factor, and demography factor. The method that used in this research was group lasso. After the group factors have been identified, the ordinary least square applied to determine significant factors to affect TB infections based on these group factors. The selected group factors of this research was health factor, environment factor, and health facility factor significant to influence TB cases. Furthermore, number of diarrhea sufferers, unemployment, and number of malnutrition sufferers were significant to be the variables that important to affect the TB cases in West Java based on ordinary least square.