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All Journal Jurnal Matematika JITEK (Jurnal Ilmiah Teknosains) Journal of Mathematics and Mathematics Education (JMME) Unisda Journal of Mathematics and Computer Science (UJMC) Zeta - Math Journal Transformasi : Jurnal Pendidikan Matematika dan Matematika Jurnal Saintika Unpam : Jurnal Sains dan Matematika Unpam EDUTEC : Journal of Education And Technology Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) International Journal of Research in Community Services Jurnal Pengabdian Masyarakat: BAKTI KITA Journal of Sustainable Community Development Shof Journal of Social Impact
Novita Eka Chandra, Novita Eka
Universitas Islam Darul 'Ulum Lamongan
Religion Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Social Sciences Veterinary Other

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Analisa Dinamik dan Simulasi Transmisi Vertikal HIV Dengan Penyembuhan Antiretroviral Selama Pandemi Covid-19 Siti Alfiatur Rohmaniah; Evina Widianawati; Awawin Mustana Rohmah; Novita Eka Chandra; M. Syaiful Pradana
JURNAL SAINTIKA UNPAM Vol 5 No 2 (2023)
Publisher : Program Studi Matematika FMIPA Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jsmu.v5i2.26399

Abstract

HIV/AIDS dapat terjadi selama kehamilan. Penularan dapat terjadi melalui plasenta, sehingga ibu hamil disarankan untuk melahirkan secara caesar dan mengonsumsi obat antiretroviral. Namun, di masa pandemi COVID-19, pemerintah lebih fokus pada penderita corona, sehingga bisa menimbulkan kendala pasokan obat-obatan tersebut. Untuk melakukan analisis tersebut digunakan analisis model untuk menentukan titik ekuilibrium, kemudian dilakukan analisis stabilitas dan dilakukan simulasi untuk melihat model matematis secara visual. Hasil analisis dan simulasi menunjukkan bahwa ketika bilangan reproduksi dasar lebih dari satu, penyebarannya sangat tinggi dibandingkan subpopulasi lainnya, sehingga subpopulasi yang terinfeksi meningkat. Sedangkan bila perhitungan angka reproduksi dasar kurang dari satu maka tidak terjadi penyebaran penyakit, sehingga subpopulasi yang rentan mengalami peningkatan yang tinggi. 
Analisis Regresi Multivariate Berdasarkan Latar Belakang Santri Mohammad Syaiful Pradana; Nur Nensi; Novita Eka Chandra
Jurnal Matematika Vol 12 No 1 (2022)
Publisher : Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2022.v12.i01.p149

Abstract

The students of the Matholiul Anwar Islamic boarding school come from various different regions so that they have quite diverse social and economic backgrounds. Likewise with learning motivation, achievement motivation and student learning achievement are also diverse. This study aims to determine the effect of the social and economic background of students on achievement motivation, learning motivation and learning achievement. The research sample used was 49 students in the F dormitory of the Matholiul Anwar Sukodadi Lamongan Islamic boarding school. This study uses the Multivariate Regression Analysis model. From the results of the partial study, the effect of social status on the dependent variable was concluded that there was an effect of social status on achievement motivation, learning motivation and learning achievement. Meanwhile, for the variable of economic status on the dependent variable, it can be concluded that there is no effect of economic status on achievement motivation, learning motivation, and learning achievement. Simultaneously, it was obtained that the background of the students affected the achievement motivation, learning motivation, and learning achievement in the F dormitory of the Matholiul Anwar Islamic boarding school.
ESTIMASI DENSITAS KERNEL ADJUSTED: STUDI SIMULASI Novita Eka Chandra; Masriani Mahyuddin; Siti Alfiatur Rohmaniah
Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Vol 8 No 2 (2016): Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2016.8.2.2885

Abstract

Kernel adjusted density estimation is a modification of the regular kernel density estimation. The modification is applied to a kernel function. This kernel function is derived from the location-scale transformation. Simulation study shows that this estimation have better results than the regular estimation because it has smaller MSE value. In addition, if normal kernel is used as a kernel function then the curve estimation will be smoother than other kernel function such as uniform kernel and Epachenikov kernel.
REGRESI NONPARAMETRIK KERNEL ADJUSTED Novita Eka Chandra; Sri Haryatmi; Zulaela Zulaela
Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Vol 7 No 1 (2015): Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2015.7.1.2894

Abstract

Nadaraya Watson's kernel adjusted regression estimator is an estimator whose kernel is taken from the family of scale-location associated with the classical kernel density estimator. Based on these estimator, it can be obtained optimal bandwith and scale parameter. This estimator gives a better estimation results compared with Naradaya Watson's classical kernel regression estimator. This is proven by the small grade MSE which is given by this estimator.
Prediksi Jumlah Pengiriman Paket Menggunakan Metode Auto Regressive Integrated Moving Average Sholikah, Layla Hidayatus; Chandra, Novita Eka; Rohmaniah, Siti Alfiatur; Rohmah, Awawin Mustana
Jurnal Matematika Vol 14 No 1 (2024)
Publisher : Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2024.v14.i01.p174

Abstract

This research aims to predict the number of postal office package deliveries using the ARIMA method. The data used is delivery data at the Lamongan Post Office from January 2018 to December 2022. The results of this research are the best model for predicting delivery data, namely ARIMA (2,2,0) with an RMSE value of 2333.897 and a MAPE value of 8,83%. Prediction results for the full year in 2023 have increased every month. Keywords: prediction, delivery, ARIMA
Assistance in Learning to Count for SDN Ngimbang Students through Singing Siti Alfiatur Rohamaniah; Novita Eka Chandra; Awawin Mustana Rohmah; Sinta Nurjanah Ely; Ani Habibatun Nisa; Alda Dwi Valentino
Shof Journal of Social Impact Vol. 1 No. 2 (2024): August
Publisher : Shof Literacy Community

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This activity aims to assist students learning to count who are still experiencing difficulties at Ngimbang State Elementary School. Mastery of mathematical calculations at a basic level is very important as an effort to build a strong foundation in understanding basic mathematics. This community service uses the singing method. The results of this service were attended by 30 grade 1 students, with 20 students able to count well and 10 students who were still lacking. This mentoring activity was carried out well. Students were very enthusiastic about following it. This service is a community service that aims to improve the numeracy skills of grade 1 students through the use of singing as a fun and interactive learning approach. It can be seen that grade 1 students who previously had absolutely no understanding of counting, have now made significant progress. The use of singing media is a very effective and exciting learning method for improving numeracy skills for elementary school students.
Indonesian Student Research Olympiad for SMA N 1 Mirit Students Prabowo, Agung; Chandra, Novita Eka; Juliza, Melda; Arumingtyas, Felinda
Shof Journal of Social Impact Vol. 1 No. 3 (2024): December
Publisher : Shof Literacy Community

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Olimpiade Penelitian Siswa Indonesia (OPSI) is a prestigious event that provides opportunities for students to develop research and innovation skills. This community service activity aims to guide and prepare students of SMA N 1 Mirit in facing OPSI. The benefits obtained by students after carrying out this activity are being able to master the material and being able to carry out research. The methods used in the guidance activities are the presentation of research methods, strategies, discussions and questions and answers. The results of the guidance activities are the level of student understanding in research methods of 75%, and the level of student interest of 80%.
Peningkatan Kompetensi Literasi Digital untuk Siswa SMK Citra Bangsa Mandiri Berbasis Sains Data Chandra, Novita Eka; Arumningtyas, Felinda; Juliza, Melda
Journal of Sustainable Community Development Vol. 3 No. 3 (2025): Journal of Sustainable Community Development
Publisher : MID Publisher International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60036/4bnw2x26

Abstract

Literasi digital merupakan keterampilan penting di era Revolusi Industri 4.0, khususnya bagi lulusan SMK yang disiapkan untuk segera berkarier di dunia industri. Kegiatan pengabdian ini bertujuan untuk meningkatkan kompetensi literasi digital siswa SMK Citra Bangsa Mandiri melalui pendekatan sains data. Metode pelatihan dirancang dalam enam sesi interaktif yang mengintegrasikan praktik pengolahan data, visualisasi, serta pengenalan etika digital. Hasil evaluasi berbasis pre-test dan post-test menunjukkan kenaikan skor rata-rata dari 52,5 ke 80,6, dengan nilai gain 0,591 yang tergolong kategori sedang. Hasil angket kepuasan menunjukkan keterlibatan dan pemahaman yang meningkat secara signifikan. Kesimpulan menunjukkan bahwa pelatihan berbasis sains data mampu memperkuat dimensi teknis dan etis dari literasi digital serta mendorong siswa untuk berpikir kritis dan berbasis data. Program ini direkomendasikan untuk diintegrasikan ke dalam pembelajaran reguler SMK.
Science Research Olympiad Preparation Assistance: Application of Differential and Integral in Radioactive Decay Prabowo, Agung; Chandra, Novita Eka; Juliza, Melda; Arumningtyas, Felinda
International Journal of Research in Community Services Vol. 6 No. 3 (2025): International Journal of Research in Community Service (IJRCS)
Publisher : Research Collaboration Community (Rescollacom)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v6i3.1044

Abstract

Performance not only a source of pride for students, but also for schools. The Indonesian Student Research Olympiad (OPSI) is a national-level activity recognized by the National Achievement Center (PUSPRESNAS). Schools need to provide guidance to support their students in participating in OPSI competitions, one of which is in mathematics. The purpose of this community service is to provide new learning experiences to students at SMA Negeri 1 Mirit, Kebumen Regency, in managing real-world problems and using mathematics to find solutions. Examples given are the problem of medication timing and radioactive decay. The community service method consists of material presentation, class discussions, and providing examples of problems that can be solved using similar methods. The community service is carried out once for 2 hours, the results of the community service are measured by a questionnaire, and of the 20 students who participated in the activity, all agreed that this community service provided a new learning experience that was different from the learning experience during the lessons.
Analisis Cluster Average Linkage Berdasarkan Faktor-Faktor Kemiskinan di Provinsi Jawa Timur Nafisah, Qonitatin; Chandra, Novita Eka
Zeta - Math Journal Vol 3 No 2 (2017): November
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (968.831 KB) | DOI: 10.31102/zeta.2017.3.2.31-36

Abstract

Analisis cluster merupakan salah satu teknik interdependensi yang dapat menggambarkan kedekatan jarak atau kemiripan antara objek dan variabel. Analisis cluster terbagi atas dua metode, yaitu hirarki dan nonhirarki. Dalam penelitian ini menggunakan analisis cluster hirarki dengan metode average linkage. Metode ini diterapkan dalam pengelompokan kabupaten/kota di Provinsi Jawa Timur berdasarkan faktor-faktor kemiskinan. Dari 38 kabupaten/kota di Provinsi Jawa Timur diperoleh hasil metode average linkage sebanyak 3 kelompok, yaitu kelompok tingkat rendah, kelompok tingkat sedang, dan kelompok tingkat tinggi. Kelompok yang terbentuk di antaranya, kelompok tingkat rendah terdiri dari Kabupaten/kota Pacitan, Ponorogo, Trenggalek, Tulungagung, Blitar, Kediri, Malang, Lumajang, Jember, Banyuwangi, Bondowoso, Situbondo, Probolinggo, Pasuruan, Sidoarjo, Jombang, Madiun, Magetan, Ngawi, Bojonegoro, Tuban, Gresik, Sumenep, Kota Kediri, Kota Blitar, Kota Malang, Kota Probolinggo, Kota Pasuruan, Kota Madiun, Kota Surabaya dan Kota Batu. Kelompok tingkat sedang terdiri dari Kabupaten/kota Mojokerto, Nganjuk, Lamongan dan Kota Mojokerto. Kelompok tingkat tinggi terdiri dari Kabupaten/kota Bangkalan, Sampang dan Pamekasan.
Co-Authors Abdullah Zahid Aditya Zulkarnaen Ali Agung Prabowo Ahmad Abi Yazid Al-Bustomy Arroziq Alda Dwi Valentino Ani Habibatun Nisa Arumingtyas, Felinda Arumningtyas, Felinda Awawin Mustana Rohmah Awawin Mustana Rohmah Ericha Dwi Ayu Prihastini Eva Wahyu Listyawati Evina Widianawati Fifin Nur Aini Fiqiyah Biroudloh Gadis Retno Apsari Galuh Adi Irawan Haykal Abidin Juliza, Melda Kiki Fatmala Dewi Lady Lina Aulia M. Syaiful Pradana Makhrus Afif Masriani Mahyuddin Megi Widiyah Triutami Mohammad Syaiful Pradana, Mohammad Syaiful Mu’tasim Billah Nafisah, Qonitatin Nisaul Barakati Selirowangi Nur Khofifah Nur Nensi Renny Renny Rifky Ardhana Kisno Saputra Robiah Adawiyah Sarinem Sarinem Seftina Diyah Miasary Sholikah, Layla Hidayatus Sinta Nurjanah Ely Siti Alfiatur Rohamaniah Siti Alfiatur Rohmaniah Siti Alfiatur Rohmaniah Siti Amiroch, Siti Siti Masrofatul Azizah Sri Haryatmi Supriyanto Supriyanto Wiwin Kusniati Zulaela Zulaela