This study aims to test and analyze the influence of Work Discipline, Communication and Conflict to Work on the Performance of Employees of PT Pratama Makmur Jaya Medan. The research method is quantitative approach, type of research is descriptive and quantitative nature of this research is descriptive explanatory. Methods of data analysis is multiple linear regression analysis. Sample collection techniques, namely simple random sampling. The research sample is 106 employees. The test results obtained the discipline of work, communication and conflict has positive and significant effect simultaneously on the performance of employees at PT Pratama Makmur Jaya Medan This study aims to test and analyze the influence of Work Discipline, Communication and Conflict to Work on the Performance of Employees of PT Pratama Makmur Jaya Medan. The research method is quantitative approach, type of research is descriptive and quantitative nature of this research is descriptive explanatory. Methods of data analysis is multiple linear regression analysis. Sample collection techniques, namely simple random sampling. The research sample is 106 employees. The test results obtained the discipline of work, communication and conflict has positive and significant effect simultaneously on the performance of employees at PT Pratama Makmur Jaya MedanWork Discipline, Communication, Work Conflicts, EmployeePerformance

Penelitian ini membahas tentang Data Mining Untuk mentukan bagus Buah Sawit yang bagus untuk di olah  Pada PT. Cipta Chemical Medan Oil Menggunakan Metode (K-NN) K-Nearest Neighbor, dimana jumlah produksi kelapa sawit tidak menentu setiap bulannya. Penelitian ini bertujuan untuk menggunakan metode (K - NN) K-Nearest Neighbor dalam pemilihan buah yang yang baik. Objek penelitian ini adalah jumlah produksi kelapa sawit sedangkan data yang digunakan merupakan data historis dari jumlah produksi tanaman kelapa sawit tahun 2017-2019. Dengan menggunakan metode (K - NN) K-Nearest Neighbor, Output dari Rapidminer didapatkan hasil yang baik dan berhasil melakukan penentuan buah yang layak produksi.