Nested Mixed Models with Repeated Measurements for Analyzing Gross Profit of Public Companies in West Java

The company's gross profit plays an important role in boosting the Gross Regional Domestic Product (PDRB) which will affect revenue of local governments, known as Pendapatan Asli Daerah. Local governments often need information how profits companies are different within each sector. It is not easy to investigate this matter especially if these observed repeatedly and subsectors nested In study, three factors were involved, i.e., sectors, a particular sector, time. assumed that sectors time observation fixed, whereas random. response variable average per subsector public West Java. objective study identify variation subsectors, effects well on profit. Since involves fixed random rate was more than one time, then mixed model with repeated measurement used. results showed there no sector effect profit, did influence