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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Psikologika : Jurnal Pemikiran dan Penelitian Psikologi dCartesian: Jurnal Matematika dan Aplikasi Reaktor JURNAL SISTEM INFORMASI BISNIS Prosiding KOMMIT Jurnal Sains dan Teknologi Jurnal Buana Informatika TELKOMNIKA (Telecommunication Computing Electronics and Control) Indonesian Journal of Mathematics and Natural Sciences Jurnal Ilmiah Kursor Jurnal Produksi Tanaman Noetic Psychology Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Transformatika JUITA : Jurnal Informatika Scientific Journal of Informatics Psikodimensia: Kajian Ilmiah Psikologi Khazanah Informatika: Jurnal Ilmu Komputer dan Informatika Jurnal Sains Matematika dan Statistika Proceeding of the Electrical Engineering Computer Science and Informatics MNJ (Malang Neurology Journal) Al-Jabar : Jurnal Pendidikan Matematika Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika Inquiry: Jurnal Ilmiah Psikologi Resona : Jurnal Ilmiah Pengabdian Masyarakat BAREKENG: Jurnal Ilmu Matematika dan Terapan IJEBD (International Journal Of Entrepreneurship And Business Development) JOURNAL SPORT AREA Philanthropy: Journal of Psychology MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) Evangelikal: Jurnal Teologi Injili dan Pembinaan Warga Jemaat Aptisi Transactions on Technopreneurship (ATT) Insight: Jurnal Ilmiah Psikologi Jurnal Abdi Insani Jurnal Pembelajaran Pemberdayaan Masyarakat (JP2M) Computer Science and Information Technologies Jurnal Sains dan Edukasi Sains SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Indonesian Journal of Applied Research (IJAR) Journal of Science and Science Education JAMBURA JOURNAL OF PROBABILITY AND STATISTICS Information System Journal (INFOS) Lingue : Jurnal Bahasa, Budaya, dan Sastra Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran International Journal of Engineering, Science and Information Technology Jurnal Hurriah: Jurnal Evaluasi Pendidikan dan Penelitian Dinamis Tri Dharma Mandiri: Diseminasi dan Hilirisasi Riset Kepada Masyarakat (Jurnal Pengabdian Kepada Masyarakat) Eksergi: Jurnal Teknik Energi Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya INJURITY: Journal of Interdisciplinary Studies ENDLESS : International Journal of Future Studies d'Cartesian: Jurnal Matematika dan Aplikasi Tesseract: International Journal of Geometry and Applied Mathematics Journal of Mechanical Engineering and Fabrication JuTISI (Jurnal Teknik Informatika dan Sistem Informasi) Study of Scientific and Behavioral Management (SSBM)
Adi Setiawan
Universitas Kristen Satya Wacana
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Journal : Journal of Science and Science Education

 1 
Identification and comparison of characteristics of inflation rate in cities in Indonesia in the period of 2009–2014 with the period of 2014–2019 Adi Setiawan; Bayu Wijayanto; Henry Junus Wattimanela
Journal of Science & Science Education Vol 5 No 1 (2021): JoSSE Vol. 5 No. 1 (May 2021)
Publisher : Faculty of Science and Mathematics, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/josse.v5i1p26-35

Abstract

This study aims to identify the characteristics of the MoM inflation rate in cities in Indonesia. In addition, it also compares the distribution of the monthly inflation rate for the 2009–2014 period with the 2014-2019 period in cities in Indonesia. The method used to identify the characteristics of the MoM inflation rate is by using summary of statistics, while to compare the distribution of the monthly inflation rate for the 2009–2014 period and the 2014–2019 period, the two-sample Kolmogorov-Smirnov test is used. Characteristics of the month to month (MoM) inflation rate in cities in Indonesia for the period October 2009 to March 2019 was presented. Furthermore, the comparison of the characteristics of the MoM inflation rate from October 2009 to September 2014 (period 1) and the period from October 2014 to March 2019 (period 2) was also shown. The cities of Banda Aceh, Kendari, Yogyakarta, Jakarta and Sorong had an average characteristic of inflation each month which tended to be low in February, March, April and September.Six cities had significantly different characteristics during period 2 inflation rate compared to period 1.
Comparison between Multiple Linear Regression Method and K-Nearest Neighbor Method for Regression on Iris Data Adi Setiawan
Journal of Science and Science Education Vol 5 No 2 (2021): JoSSE Vol. 5 No. 2 (November 2021)
Publisher : Faculty of Science and Mathematics, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/josse.v5i2p26-35

Abstract

This study aims to determine the statistics used in regression models such as RMSE, MAPE, MAE and R2 using the KNN method for regression. The measure of the goodness of the method used is MAPE. The data used is iris data which has been used by many people as an example of data. Variations in the proportion of test data were carried out by 10%, 20%, 30% and 40%. In the proportion of test data of 20%, successively obtained the results that MAPE for case 1, case 2 and case 3 is 5.885 %, 7.778%, 6.979% while in case 4 is 19.341%. As a result, it is obtained that predictions using the KNN method successfully predict/forecast with highly accurate forecasting in case 1, case 2 and case 3 while in case 4 the KNN method predicts with good forecasting.
Co-Authors Absa, Munzir Adella Septiana Mugirahayu Agik Nur Efendi Agus Suryanto Aini Nurul Al-Humairi, Safaa Najah Saud Albet Maydiantoro Alchalil Alchalil Aldian Umbu Tamu Ama Aldian Umbu Tamu Ama Alfida Tegar Nurani Alicia Anggelia Lumbantoruan ALOYSIUS JOAKIM FERNANDEZ Ariani, Dwi Setya Ariska, Nenda Atina Rahmatalia Bambang Susanto Barlian Henryranu Prasetio Baskoro Arie Nugroho Bayu Wijayanto Beni Utomo Christiana Hari Soetjiningsih Christina Maya Indah Susilowati Cut Aja Rahmawati D. B. Nugroho, D. B. Dabet, Abubakar Daivi Wardani, Daivi Delsylia Tresnawaty Ufi Denny Indrajaya Denny Indrajaya Deswita, Yenny Dewi Anisa Istiqomah Dewi Lukitasari Dhevyantoa, Benny Didit Budi Nugroho Djoko Hartanto Dodi Wirawan Irawanto E. D. Saputri, E. D. Edita Rosana Widasari, Edita Rosana Effendy, Ahmad Hidayat Eko Sediyono Eko Widaryanto Elsa Septyana Endang Sulistyaningsih Faisal Faisal Faldy Tita Fika Widya Pratama Fiyas Mahananing Puri Haay, Happy Alyzhya Hamzah Hamzah Hanifa Maulani Ramadhan Hanna Arini Parhusip Hari Slamet Trianto Hari Slamet Trianto Hariyanto Hariyanto Hartiningsih, Tri Henderi . Henry Junus Wattimanela Ignatius Agus Supriyono Ilham Hizbuloh Irwan Sembiring Iwan Setiawan Iwan Setyawan Johanes Dian Kurniawan Joko Siswanto JT Lobby Loekmono Keo, Jitro Jemryes Krisdiana Krisdiana, Krisdiana Kurniawan, Johanes Dian Kurniawan, Titus Antonius David Legenda Prameswono Pratama Leipary, Harfely Leonardo Refialy Leonardo Refialy, Leonardo Leopoldus Ricky Sasongko Lilik Linawati Lindin Anderson Lukman Hakim Lutpiani, Anisa Lydia Soepriyani Fallo M. Iqbal Maharani, Siska Manfaluthy, Mauludi masipupu, Frangky Aristiadi Maufiquddin, Fiqih Ma’arif, Syahrul Meydelina, Gloria Mitha Febby R. Donggori Mitha Febby R. Donggori Modjo, Marchella Ellena Mohammad Ridwan Mufti, Rijalul Muhammad Sayuthi Nabiela, Noorsy Zidna Nadeak, Nathalia Ully Nafisah Riskya Hasna Natalia Christy Waney Ninda Lutfiani Nisa, Syarifah Rahimatun Novelia, Riana Novelyn, Ruth Nugraha, Anggit Ferdita Nukuhaly, Nur Apriani Nur Edy Suminarti Olivia Rumahpasal Pariama, Aprillia Mauren Pradani, Wynona Adita Priatna , Wowon Purbaratri, Winny Purwoko, Agus Putra, Trisno Wardy Qurotul Aini Rachayu, Laras Andriani Rachel Wulan Nirmalasari Wijaya Rahma Anugraheny Raunica, Elsha Afry Rayhan, Fathan Andhika Riana Dewi Risma Margaretha Sinaga Rizkina, Shafira Rizqon Hasibuan Romauli Basaria Rosa, Angela Griya Adinda Rozanna Dewi Rudhito, Andy Safitri, Dinda Saitama, Akbar Salomina Patty SARI, EMMA NOVITA Setiawan, Romi Adetio Setivani, Febi sitawati Soeharto Soeharto Sri Suwartiningsih Sulistio Sulistio Surya Tri Atmaja Ramadhani Suryadi Suryadi Suryasatriya Trihandaru Sutarto Wijono Syahputra, Azhar Syam, Azhari Muhammad Syukri Syukri Tamaela, Jemaictry Theo Sarita, Fetriks Theopillus J. H. Wellem Tri Wahyuningsih Tundjung Mahatma Untung Rahardja Untung Rahardja Vikky Aprelia Windarni Vikky Aprelia Windarni Vincentia Pawestri Wa Mirna Wahyuni Kristinawati Wattimanela, Henry Junus Wibowo, Mars Caroline Wilyanti, Sinka Windarni, Vikky Aprelia Wisnu Anendya Sekti Yanuar Zulardiansyah Arief Yenusi, Yuni naomi Yulius Yusak Ranimpi Zaki, Khozin