ANALISIS CLUSTER DENGAN METODE K-MEANS CLUSTER PADA JENIS DATA SURAT DI BPPRD SUMATERA UTARA

Pengabdian masyarakat adalah penerapan bidang pendidikan dan ekonomi untuk menyelesaikan masalah di masyarakat baik warga kota atau daerah maupun masyarakat industri dan pemerintah. Pengabdian masyarakat ini dilakukan dalam rangka menghasilkan karya monumental bagi masyarakat sekitar. Metode yang digunakan untuk menganalisis kasus pengelompokkan K-Means Cluster terhadap Data Jenis Surat Pada Setiap Bulan di Badan Pengelolaan Pajak dan retribusi Daerah Sumatera Utara (BPPRDSU). K-Means Cluster adalah salah satu metode dan clustering non - hierarki yang berusaha mengelompokkan data ke dalam suatu cluster sehingga data yang memiliki karakteristik sama dikelompokkan ke dalam satu cluster yang sama. Tujuan pengelompokan adalah untuk meminimalkan objective function yang di set dalam proses clustering, yang pada dasarnya berusaha untuk meminimalkan variasi dalam satu cluster dan memaksimalkan variasi antar cluster. Pengelompokkan sekumpulan objek terhadap variabel yang di analisis yaitu pengelompokkan setiap bulan di dalam satu tahun terhadap jenis data surat ke dalam cluster-cluster kecil namun berbeda karakteristiknya dari cluster-cluster yang lainnya.Hasil analisis pengelompokan pada jenis data surat tahun 2021 pada BPPRD-SU untuk SPT, SPPD dan surat keluar nota dinas menunjukkan adanya perbedaan di setiap bulannya pada ketiga cluster  yang terbentuk dengan nilai F =32,171 dan sig = 0 serta F = 7,365 dan sig = 0,13

Peran Penting Orang Tua dan Lingkungan Sosial terhadap Kenakalan Remaja di Dusun Xix, Desa Sampali

The problem in this study is the importance of the role of parents and the social environment on juvenile delinquency in Sampali Village, precisely in XIX Hamlet, Sampali Village, Percut Sei Tuan District. This research is presented using descriptive qualitative research, namely observations to explore, interview or photograph how the problem situation of the community there will be studied thoroughly and in depth. This research was conducted in XIX Hamlet, Sampali Village, with resource persons consisting of several communities in XIX Hamlet to help collect information and data for this research. From the results of observations in Hamlet XIX, Sampali Village, Percut Sei Tuan District, it is known that there are several cases committed by local teenagers, namely drugs, brawls, and motorcycle gangs. After a deeper review, the researchers found out the reason why the teenager in Hamlet XIX, Sampali Village, Percut Sei Tuan District, did juvenile delinquency, namely because the teenager had a family that did not provide love and attention, a poor social environment, and weak self-control. Therefore, the role of parents is needed, such as building good relationships, instilling faith in the heart so that it becomes a stronghold in oneself so that it is not easy to fall into actions that are not commendable. If various solutions and coaching are carried out, it is hoped that the possibility of juvenile delinquency will decrease and be resolved. From the discussion on efforts to overcome juvenile delinquency, it should be emphasized that all efforts to control juvenile delinquency must be aimed at achieving a stable, harmonious, and mature adolescent personality. Adolescents are expected to become adults with strong personalities, physically and mentally healthy, firm in belief (faith) as a society, nation, and homeland