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Fachrur Rozi
Staf Peneliti pada Balai Penelitian Tanaman Pangan, Malang
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Penerapan Metode Agglomerative Hierarchical Clustering untuk Klasifikasi Kabupaten/Kota di Propinsi Jawa Timur Berdasarkan Kualitas Pelayanan Keluarga Berencana Fadliana, Alfi; Rozi, Fachrur
CAUCHY Vol 4, No 1 (2015): CAUCHY
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (677.418 KB) | DOI: 10.18860/ca.v4i1.3172

Abstract

Agglomerative hierarchical clustering methods is cluster analysis method whose primary purpose is to group objects based on its characteristics, it begins with the individual objects until the objects are fused into a single cluster. Agglomerative hierarchical clustering methods are divided into single linkage, complete linkage, average linkage, and ward. This research compared the four agglomerative hierarchical clustering methods in order to get the best cluster solution in the case of the classification of regencies/cities in East Java province based on the quality of “Keluarga Berencana” (KB) services. The results of this research showed that based on calculation of cophenetic correlation coefficient, the best cluster solution is produced by average linkage method. This method obtained four clusters with the different characteristics. Cluster 1 has an “extremely bad condition” on the qualification of KB clinics and the competence of KB service personnel. Cluster 2 has a “good condition” on the qualification of KB clinics and “bad condition” on the competence of KB service personnel. Cluster 3 has a “bad condition” on the qualification of KB clinics and “medium condition” on the competence of KB service personnel. Cluster 4 have a “medium condition” on the qualification of KB clinics and a “good condition” on the competence of KB service personnel
Pemodelan Copula: Studi Banding Kuantifikasi Autokorelasi Rozi, Fachrur
CAUCHY Vol 1, No 1 (2009): CAUCHY
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (322.806 KB) | DOI: 10.18860/ca.v1i1.1700

Abstract

Dalam tulisan ini akan dijelaskan beberapa metode kuantifikasi dependensi antara dua variabel acak (bivariat) dan perbandingan antara metode kuantifikasi dependensi tersebut. Selain itu akan diperkenalkan teori copula dalam kaitannya dengan kuantifikasi dependensi pada data time series, yang biasa disebut autokorelasi, khususnya kuantifikasi autokorelasi Kendall’s tau melalui copula.
Analisis Grafik Kendali np Yang Distandarisasi untuk Pengendalian Kualitas dalam Proses Pendek Nurkotimah, Yayuk; Rozi, Fachrur
CAUCHY Vol 2, No 2 (2012): CAUCHY
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.908 KB) | DOI: 10.18860/ca.v2i2.2226

Abstract

Salah satu grafik kendali yang sering digunakan untuk pengendalian data atribut adalah grafik kendali p. Grafik kendali p merupakan grafik kendali proporsi ketidaksesuaian. Dalam membentuk grafik kendali p dibutuhkan 20 sampai 30 subgrup. Untuk memudahkan interpretasi, maka grafik kendali perlu distandarisasi. Standarisasi dilakukan agar data berada di antara dan . Pada praktiknya, terkadang dalam suatu proses produksi banyaknya subgrup yang diperoleh sedikit, sehingga untuk memenuhi banyaknya subgrup yang diinginkan, dibutuhkan lebih dari satu proses produksi, hal ini sering terjadi dalam kasus proses pendek. Dalam proses pendek, karena pengamatan yang diperoleh kurang dari standar untuk membentuk grafik kendali, maka perlu dilakukan penyesuaian dengan menambahkan faktor koreksi. Faktor koreksi bertujuan agar peluang standarisasi untuk proses pendek dan dengan dan dapat memenuhi standar internasional yaitu mendekati 0,00135. Dalam penelitian ini, dikembangkan grafik kendali np yang distandarisasi untuk proses pendek, di mana langkah pertama penulis akan mengkaji grafik kendali np, kemudian grafik tersebut distandarisasi berdasarkan distribusi Normal standar, setelah diperoleh standarisasi maka data terebut distandarisasi untuk proses pendek. Terakhir menganalisis hasil dari standarisasi untuk proses pendek. Dengan membandingkan dan serta dan , maka grafik kendali yang berkualitas ditunjukkan oleh grafik kendali np yang distandarisasi untuk proses pendek.
Strategi Eliminasi Praktik Korupsi pada Pelayanan Perizinan dan Pengawasan Pelaksanaan Penanaman Modal Hanida, Rozidateno Putri; Irawan, Bimbi; Rozi, Fachrur
Integritas : Jurnal Antikorupsi Vol. 6 No. 2 (2020): INTEGRITAS: Jurnal Antikorupsi
Publisher : Komisi Pemberantasan Korupsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32697/integritas.v6i2.690

Abstract

Since the Government Regulation Number 24 of 2018 on Electronically Integrated Business Licensing Services was enacted, a gap was evidently found from two stages which potentially lead to corruption practices. Those two stages are the process of commitment fulfillment by a number of businesses and the process of the investment supervision. This study explains how the potential of corruption occur and what kind of strategies can be apllied to eliminate it. For these purposes, qualitative descriptive method was employed. Meanwhile, the data collection technique was carried out by using interview, literature study, and documentation. The result shows that the main factor causing the corruption to arise in the licensing service is the intensity of face-to-face meetings between business actors and government officials. Some fulfillment commitment activities and virtual supervision can be carried out as a strategy to eliminate this potential. Every proof and documentation that must be fulfilled by business actors such as videos, photos and etc can be submitted online.
Metode AHP-Fuzzy untuk Menentukan Tingkat Prioritas Tindak Pidana Penyalahgunaan Narkotika dan Psikotropika Muzafanti, Rahmah Navi'ah; Alisah, Evawati; Rozi, Fachrur
Jurnal Riset Mahasiswa Matematika Vol 3, No 3 (2024): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v3i3.22596

Abstract

Analytical Hierarchy Process (AHP) is a method in decision making by analyzing multi-attribute decisions with many criteria and alternatives. these weaknesses, then the incorporation of fuzzy concepts is carried out, because there is a range of values that can cover the uncertainty of decision making in AHP. The merger of the two concepts is known as Analytical Hierarchy Process-Fuzzy or AHP-Fuzzy. The AHP-Fuzzy method uses an extended analysis with a triangular fuzzy membership function or TFN. Meanwhile, there is data on narcotics and psychotropic crimes. The data contains the indictment of each defendant containing the articles violated, prison sentences, and fines. Because it fulfills the AHP-Fuzzy method by having the main criteria. The author takes the formulation of the problem, namely the AHP-Fuzzy method to determine the priority level of criminal acts of narcotics and psychotropic abuse. This research aims to find out how the role of the AHP-Fuzzy method in criminal case data. The adjustment of the method when processing criminal offense data, producing the final result is at the stage of determining the crisp value and weighting. Before entering the crisp value determination stage, first determine the variables and the range of values that adjust the data conditions. Then, the weighting stage contains the results of the multiplication between AHP priority weights and weight vectors in fuzzy concepts. Thus, each of the main criteria has a different percentage priority level. The highest priority level is article 114, followed by article 112, article 111, and article 127. This priority level information can be used as a reference in preventing the spread of narcotics and psychotropic drugs, especially in Malang City.
Seroprevalensi Antibodi Newcastle Disease (ND) pada Itik di Desa Temuasri, Sempu, Banyuwangi Rozi, Fachrur; Rahmahani, Jola; Hamid, Iwan Sahrial; Yudhana, Aditya; Praja, Ratih Novita
Jurnal Medik Veteriner Vol. 3 No. 1 (2020): April
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (592.26 KB) | DOI: 10.20473/jmv.vol3.iss1.2020.108-113

Abstract

Tujuan penelitian ini untuk mendeteksi titer antibodi ND pada itik di Desa Temuasri Kecamatan Sempu Kabupaten Banyuwangi. Deteksi antibodi ND diperiksa dengan uji Hemaglutinasi (HA) dan Hambatan Hemaglutinasi (HI). Penelitian menggunakan desain penelitian non-eksperimental dengan metode survei deskriptif. Kegiatan penelitian ini mengambil 72 sampel darah itik di Desa Temuasri Kecamatan Sempu Kabupaten Banyuwangi dengan metode cross-sectional. Serum dipisahkan dari bekuan darah, kemudian serum dipindahkan ke dalam microtube. Sebelum melakukan uji HA dan uji HI, sampel harus diberi perlakuan dengan menggunakan Red Blood Cell (RBC) 100% dan diinaktifasi ke dalam waterbath pada 56oC selama 30 menit, tujuannya untuk menghilangkan aglutinin non-spesifik dan menonaktifkan reaksi non-spesifik serum. Uji HI positif ketika menunjukkan pengendapan eritrosit berbentuk titik pada dasar sumuran micoplate. Hasil penelitian ini menunjukkan 20 (27.77%) dari 72 sampel positif ND.
Studi Kelayakan Destinasi Wisata Ramah Muslim untuk Meningkatkan Citra Wisata di Sumenep (Studi Kasus Pantai Lombang dan Pantai e-Kasoghi Kabupaten Sumenep) Rozi, Fachrur; Camelia, Allyvia
AL-MANHAJ: Jurnal Hukum dan Pranata Sosial Islam Vol 4 No 2 (2022)
Publisher : Fakultas Syariah INSURI Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/almanhaj.v4i2.1736

Abstract

According to the Minister of tourism and creative economy, Sandiaga Uno, Muslim Friendly Tourism which is one of the advantages of tourism from various types that are developed. The concept of Muslim friendly tourism is Halal tourism that referred to an extension of service or an increase and expansion of services, it does not mean that it is a tourist place. This concept is a brilliant idea in ensuring the comfort of Muslim tourists in tourist places, because Indonesia is a Muslim-majority country. Indeed the concept of a feasibility study there are several items as a guide to measure the feasibility of a tourist destination in this case such as Attraction, Accessibility, Community Socio-Economic Environmental Conditions, Accommodation, Supporting Facilities and Infrastructure, Security, Relationships with Other Tourist Objects. This feasibility study was conducted to see the readiness of tourist destinations as pilot destinations in Sumenep district. This location was chosen because Lambang beach is a tourist destination managed by the government and has become an icon of marine tourism in Sumenep, while e-Kasoghi beach is a new destination managed by local (private) villages. In addition, the COVID-19 pandemic demands many things, especially tourist destinations that must follow the health protocols that have been instructed by the central government to ensure tourists are safe and comfortable while at tourist locations. CHSE certification is the application of health protocols based on Cleanliness, Health, Safety, and Environment Sustainability. This is a health regulation or protocol with the term CHSE.
Deradicalization da'wah: Religious rehabilitation efforts for former terrorism convicts Rozi, Fachrur; Supena, Ilyas; Riyadi, Agus
Islamic Communication Journal Vol. 9 No. 2 (2024)
Publisher : Fakultas Dakwah dan Komunikasi Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/icj.2024.9.2.23317

Abstract

Terrorist acts that often claim religious grounds have become a significant threat to national stability. Based on data from the National Counterterrorism Agency (BNPT), Indonesia, terrorist attacks not only cause casualties but also have an impact on public perception of Islam. This study aims to understand why radical ideology often persists among former terrorist convicts and how deradicalization preaching plays a role in their rehabilitation. This descriptive qualitative study uses a sociological approach, using data collection techniques through observation, interviews, and documentation. The results of the study indicate that radical ideology persists due to limited social support, non-holistic deradicalization programs, ideological backgrounds, and social stigma. External factors such as the lack of special programs, limited officer training, and inconsistent funding also contribute. Deradicalization preaching plays a crucial role by teaching peaceful religious values, empowering socially and economically, reducing social stigma, and involving families and communities. For effective rehabilitation, deradicalization preaching must be holistic, involve various parties, and consider cultural, social, and economic aspects to address the root causes of radicalization. ***** Aksi terorisme yang sering mengklaim landasan agama telah menjadi ancaman besar terhadap stabilitas nasional. Berdasarkan data dari Badan Nasional Penanggulangan Terorisme (BNPT), Indonesia, serangan teror tidak hanya menimbulkan korban jiwa, tetapi juga berdampak pada persepsi publik terhadap Islam. Penelitian ini bertujuan untuk memahami mengapa faham radikal sering kali tetap bertahan di kalangan mantan narapidana terorisme dan bagaimana dakwah deradikalisasi berperan dalam rehabilitasi mereka. Penelitian ini merupakan penelitian kualitatif deskriptif dengan pendekatan sosiologis, menggunakan teknik pengumpulan data melalui observasi, wawancara, dan dokumentasi. Hasil penelitian menunjukkan bahwa faham radikal tetap bertahan disebabkan oleh dukungan sosial yang terbatas, program deradikalisasi yang tidak holistik, serta latar belakang ideologi dan stigma sosial. Faktor eksternal seperti kurangnya program khusus, keterbatasan pelatihan petugas, dan pendanaan yang tidak konsisten juga berkontribusi. Dakwah deradikalisasi memainkan peran krusial dengan mengajarkan nilai-nilai agama yang damai, memberdayakan secara sosial dan ekonomi, mengurangi stigma sosial, dan melibatkan keluarga serta komunitas. Untuk rehabilitasi yang efektif, dakwah deradikalisasi harus holistik dan melibatkan berbagai pihak, serta mempertimbangkan aspek budaya, sosial, dan ekonomi untuk mengatasi akar penyebab radikalisasi secara menyeluruh.
Penerapan Grafik Pengendali DOB (Decision On Belief) Untuk Pengendalian Kualitas Produksi Air Mineral Dalam Kemasan (AMDK) Auliya, Fitrotul; Rozi, Fachrur
Jurnal Riset Mahasiswa Matematika Vol 4, No 2 (2024): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v4i2.31142

Abstract

Efforts to maintain or control the quality of a process are the goals of quality control. One of the tools used is the control chart. A control chart is a graph that shows whether a process is in a controlled state or not. Decision On Belief (DOB) is a new method used to detect defects in a product. The DOB control chart has been proven to be more sensitive in detecting out-of-control data compared to other charts. Data will be analyzed using bar charts, Pareto diagrams, and cause-and-effect diagrams, followed by a distribution test, which shows that the data follows a Poisson distribution. This study applies the DOB chart using two phases: Phase I is used to determine the control limits. In Phase I, the control limits are obtained with values of =49,11 and =7,008. The application of the DOB chart in Phase II shows that the production process is out of control based on the analysis of   = 1,2,...,20. The application of the DOB chart in bottled mineral water production is expected to assist in the control process and improve the quality of packaged mineral water in the future.
Studi Komparatif Algoritma RSA dan AES pada Enkripsi dan Dekripsi Citra Digital Muhamad Sabilal Karim, Rifqi; Khudzaifah, Muhammad; Rozi, Fachrur
Jurnal Riset Mahasiswa Matematika Vol 4, No 2 (2024): Jurnal Riset Mahasiswa Matematika
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jrmm.v4i2.31191

Abstract

In the digital era, data protection has become a priority, especially for digital images that hold significant value in the fields of communication, security, and medicine. This study compares the performance of the RSA and AES algorithms in encrypting and decrypting digital images, using three main parameters: processing time, file size change, and image quality measured by Mean Squared Error (MSE). This study was conducted experimentally in a quantitative manner on 50 digital images of small and medium resolution. RSA uses public and private keys, while AES utilizes the SubBytes, ShiftRows, MixColumns, and AddRoundKey processes. The results show that AES is faster in encryption and decryption compared to RSA. However, the quality of the image resulting from RSA encryption is lower, as evidenced by the higher MSE value. In terms of file size, RSA tends to produce smaller files, while AES results in larger sizes. This research provides guidance for selecting encryption algorithms that meet the needs of specific applications, particularly in visual data security. These findings are expected to assist students and information security practitioners in determining the optimal algorithm to protect digital images from threats.
Co-Authors Agus Riyadi Alfi Fadliana Amin Muhammad, Amin Angga Dwi Mulyanto Ardian, Rosa Eka Putri Ariani, Ika Adi Auliya, Fitrotul Bimbi Irawan, Bimbi Busmayaril Busmayaril Camelia, Allyvia Daimon Syukri Defriyanto Defriyanto, Defriyanto Evawati Alisah Fajriana, Fajriana Haryanti, Tining Ilyas Supena Iwan Sahrial Hamid Muhamad Sabilal Karim, Rifqi Muhammad Khudzaifah Muzafanti, Rahmah Navi'ah Nuniek Fahriani, Nuniek Nusantara, Badai Charamsar Oki Dermawan Praja, Ratih Novita Pratama, Donny Setya Rahmahani, Jola Riri Syafitri Lubis Rozidateno Putri Hanida Safitri, Eka Dwi Sari, Rizqi Novita Setiawan, Husni Soetikno, Noela Sri Harini Surokim Suzana, Yenny Syamsurizaldi Syamsurizaldi Syarah, Fatmah Tomy, Chairian Yayuk Nurkotimah Yudhana, Aditya