PROFIT PREDICTION USING MULTIPLE LINEAR REGRESSION METHODS PYTHON PROGRAMMING LANGUAGE AT PT TRI ERDNOV REZEKI

PT. Tri Erdnov Rezeki is a national private company founded in 2016 and fully under the leadership ownership of Indonesian entrepreneurs. also engaged Construction Development Planning Repair Maintenance Steam Aircraft Pressure Vessels, Supply Technical Equipment, Industrial Work Electrical Machinery, especially Palm Oil Plantation Power Plant Sectors. In carrying out project, does not only carry technical design but must economic so that can determine feasibility project. However, companies often experience cost calculation errors. Data science be utilized to predict value achieved period using previous data. will analyze patterns related data with other produce reference or formula used as prediction future. So, author use multiple linear regression method Python programming language, which functions perform statistical analysis, namely predicting profits The analysis results this study show profit variable influenced by 99.7% variables material cost, labor utility cost. comparison, outside influence 0.3%. has most significant influence, where below 0 .05 compared variable. average percentage errors 0.97%, smaller than SPSS 2.04%.