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Perbandingan Algoritma C4.5 dan Naive Bayes Dalam Klasifikasi Tingkat Kepuasan Mahasiswa Terhadap Pembelajaran Daring Fatmawati Fatmawati; Narti Narti
JTIM : Jurnal Teknologi Informasi dan Multimedia Vol 4 No 1 (2022): May
Publisher : Puslitbang Sekawan Institute Nusa Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35746/jtim.v4i1.196

Abstract

Since the spread of Covid-19, online learning is considered the main solution for universities so that the lecture process continues to run well, but in online learning there are many obstaclesfaced by students and lecturers, as for the obstacle, namely the location of the house is not covered by the internet network, student behavior is difficult to understand. monitored and absorption of material is very lacking and the obstacles faced by campus are the difficulty of knowing how big the level of student satisfaction in online learning is, on this problem, the author wants to evaluate the online learning system by first classifying the level of student satisfaction with online learning using the C4.5 algorithm. , based on the results of data processing that is deemed less convincing, data processing is also carried out using another classification method, namely the Naive Bayes method. Based on the results of the comparison of the two algorithms, the accuracy of the algorithmNaïve Bayes is better than C4.5 by a difference of 11.77%. That the accuracy rate of the algorithmC4.5 is 58.82% with the validity test using cross validation obtained the average value for the value of Class Precision Dissatisfied 0%, Class Precision Satisfied 66.67%, Class Precision Unsatisfied 0%, Precision Class Very Dissatisfied 0%. And the value of Class Recall Dissatisfied 0%, Class Recall Satisfied 90.91%, Class Recall Unsatisfied 0%, Class Recall Very Dissatisfied 0%. While the level of accuracy using the AlgorithmNaïve Bayes with the results of 70.59% with the validity test using cross validation obtained the average value for the value of Class Precision Dissatisfied 0%, Class Precision Satisfied 76.92%, Class Precision Unsatisfied 33.33%, Class Precision Very Dissatisfied 100% and Class values Recall Dissatisfied 0%, Class Recall Satisfied 90.91%, Class Recall Less Satisfied 25%, Class Recall Very Dissatisfied 100%.
Goods Procurement Audit System Information At PT. Global Satria Aji Maya Pratiwi; Narti Narti
Paradigma Vol. 25 No. 2 (2023): September 2023 Period
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/p.v25i2.2260

Abstract

As an effort to realize ideal information for companies, the implementation of reliable information technology governance is needed by companies. This study aims to audit the application of information technology governance of the goods procurement system at PT. Global Satria Aji, because the company PT. Satria Aji Global wants to check profit or loss and also wants to minimize losses related to the goods procurement system.  The problem that is often experienced by companies is a system that is deemed unable to accommodate all the data needed when incoming data increases. This study uses the COBIT 5 framework using the EDM01, APO01, APO02, APO07, DSS01 and MEA01 process domains. The calculation of the average maturity level of the six domains used is 1.58 in decimal numbers or 158% in percent. In the study it was found that the biggest discrepancy occurred in the APO01 domain where the difference between the expected conditions and the conditions that occurred reached 2.04. The recommended improvement is to provide a consistent management approach so as to enable corporate governance requirements to be met.
Audit Sistem Informasi Penerimaan Murid Baru Menggunakan Framework COBIT 5.0 Pada Sekolah Islam Al Azhar Summarecon Serpong Nia Wahyuningsih; Narti Narti
Dirgamaya: Jurnal Manajemen dan Sistem Informasi Vol. 3 No. 1 (2023): Dirgamaya : Jurnal Manajemen dan Sistem Informasi
Publisher : LPPM STMIK Rosma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35969/dirgamaya.v3i1.306

Abstract

This research aims to measure and evaluate the governance of the new student admission information system at Al Azhar Islamic School Summarecon Serpong using the COBIT 5.0 framework. The audit results indicate that several domains, such as change management and performance monitoring, have achieved the expected targets. However, the overall maturity level of the governance still needs improvement. Nevertheless, the implementation of the new student admission information system has been carried out with a comprehensive and systematic approach. Recommended solutions include improving program and project management, enhancing internal services, and achieving the desired maturity levels. In this study, the audit findings show that the new student admission information system at Al Azhar Islamic School Summarecon Serpong has achieved a level of F, indicating a complete approach and full achievement in the performance scale. However, there are still areas that require improvement, with the highest gap observed in program and project management. By addressing the unachieved processes and implementing the recommended solutions, it is expected that the new student admission information system will become more effective and efficient in supporting the admission process at Al Azhar Islamic School Summarecon Serpong.
Audit Sistem Informasi Pengelolaan Administrasi Keuangan Sekolah pada SMK Kristen Harapan Mulia Teresa Delfia Rere; Narti Narti
REMIK: Riset dan E-Jurnal Manajemen Informatika Komputer Vol. 7 No. 4 (2023): Volume 7 Nomor 4 Oktober 2023
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/remik.v7i4.13086

Abstract

Sekolah Menengah Profesi Kristen (SMK) Kristen Harapan Mulia adalah organisasi/yayasan rahasia yang bekerja di bidang pelatihan formal di tingkat pilihan atas dengan landasan profesional.Audit sistem informasi merupakan suatu proses sistematis  yang dilakukan untuk memperoleh bukti  tindakan evaluasi dan penilaian dalam suatu kegiatan. Perumusan masalah yang diangkat pada penelitian ini meliputi : melihat resiko yang mungkin muncul pada system informasi pengelolaan administrasi keuangan sekolah di SMK Kristen Harapan Mulia dan mengaudit system informasi dengan pendekatan cobit 5 dimana domain yang dibahas adalah domain Monitor, Evaluate and Assess (MEA) dengan sub domain MEA01,MEA02,MEA03. Pada penelitian ini peneliti menggunakan instrument kuisioner untuk mengukur tingkat kematangan pengelolaan administrasi keuangan sekolah di SMK Kristen Harapan Mulia. Sampel yang digunakan adalah 2 orang yang terdiri dari Kepala Sekolah dan Pegawai TU. Berdasarkan hasil perhitungan tingkat kematangan tata kelola TI, diperoleh nilai untuk sub domain MEA01 sebesar 0,34, sub domain MEA02 sebesar 1,08, dan sub domain MEA03 sebesar 0,08 yang berarti sub domain untuk MEA01 dan MEA03 berada pada level 1 yaitu initial sedangkan sub domain MEA02 berada pada level 2 yaitu repeatable, sehingga rata-rata nilai maturity level pada domain MEA senilai 1,5. Hasil rekomendasi dari penelitian ini adalah untuk sub domain MEA01 dan MEA03 perlu menetapkan evaluasi terhadap SIAK sedangkan untuk MEA02 melakukan peninjauan secara berkala pada proses pengelolaan administrasi keuangan sekolah pada SMK Kristen Harapan Mulia.
AUDIT SISTEM JOB COSTING DENGAN FRAMEWORK COBIT 5 PADA PT. NICO MAJU MANDIRI Narti Narti; Diova Wimpy Vallerie
Jurnal Informatika dan Teknik Elektro Terapan Vol 12, No 2 (2024)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v12i2.4008

Abstract

Penelitian ini bertujuan untuk mengetahui apakah sistem pengolahan biaya material pada PT Nico Maju Mandiri dapat menjaga integritas data dan mendukung tercapainya visi dan misi perusahaan. Tujuan lain dari penelitian ini adalah untuk menciptakan manajemen TI yang baik. Dalam penelitian ini penulis melakukan audit menggunakan kerangka kerja COBIT 5 dengan domain EDM05, BAI01, DSS01 dan DSS02. Penelitian ini mengungkapkan perbedaan yang signifikan antara data saat ini dan masa depan, dengan domain yang memiliki rata-rata lebih tinggi daripada yang lain. Jumlah total perbedaannya adalah 26,37. Dari hasil analisis domain tersebut menunjukkan bahwa ada beberapa proses yang belum mencapai tingkat kematangan yang diharapkan sesuai dengan pedoman kerangka kerja COBIT5. Sistem pengukuran biaya pekerjaan kurang efektif, dan proses pemantauan, evaluasi, dan penilaian kinerja dan kepatuhan tidak terdefinisi dengan baik. Peneliti menemukan kesenjangan rata-rata sebesar 0,70 antara implementasi saat ini dan tingkat kematangan yang diharapkan PT. Nico Maju Mandiri. Hasil dari penelitian ini memberikan gambaran tentang sejauh mana efektivitas dan efisiensi sistem pengolahan biaya material serta temuan dan rekomendasi untuk perbaikan dan pengembangan lebih lanjut. Diharapkan audit ini dapat membantu PT Nico Maju Mandiri dalam meningkatkan manajemen dan pemanfaatan sistem pengolahan biaya material mereka sesuai dengan standar COBIT 5.
Perancangan UI/UX Desain Aplikasi My TQC Rumah Tahfidz Qur’an PLTU Lontar Astri Sulastri; Narti Narti
IJCIT (Indonesian Journal on Computer and Information Technology) Vol 9, No 1 (2024): IJCIT Mei 2024
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/ijcit.v9i1.16794

Abstract