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Journal : Indonesian Journal of Electrical Engineering and Computer Science

Forecasting rupiah exchange rate with learning vector quantization neural network Linawati Linawati; Made Sudarma; I Putu Oka Wisnawa
Indonesian Journal of Electrical Engineering and Computer Science Vol 18, No 1: April 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v18.i1.pp24-31

Abstract

The classification technique and data forecasting will probably be one of the techniques that will often be needed in handling or managing big data. So, from that the author analyzes the possible development of the existing algorithms. The purpose is to find possibilities in the use of reliable algorithms in a particular field, then can be adopted and implemented to develop forecasting techniques in the future. Based on these considerations, the authors conducted experiments by applying LVQNN to conduct shortterm forecasting on daily period of the Rupiah exchange rate. The literature that is used as a reference is the discovery of architectural data classification processes that resemble forecasting techniques. So, when there is a combination of Rupiah exchange histories, it is possible to find these combinations into certain classes based on predetermined parameters and historical data combination data and forecast values in the past. In this research the factors chosen as indicators that affect the Rupiah exchange rate are the amount of exports, the amount of imports, the inflation rate and also the world oil price. In this research the highest accuracy value in the testing process for the population reached 99.0991%. The increase in the percentage value of forecasting accuracy is influenced by the composition of the data. In this study the formation of data composition is influenced by distinct data. The selection of parameters which become distinct claused determines how the composition of the data will be formed. If the composition of the data is not correct, the test results will not be good. If the number of weights vector is smaller than the input data, the forecasting accuracy will decrease. Because the weight vector cannot represent data combinations that used during training or testing.
Spatial-temporal data imputation for predictive modeling in intelligent transportation systems Widi Prasetyo, Yohanes Pracoyo; Linawati, Linawati; Wiharta, Dewa Made; Sastra, Nyoman Putra
Indonesian Journal of Electrical Engineering and Computer Science Vol 38, No 2: May 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v38.i2.pp794-807

Abstract

Data imputation is necessary to overcome data loss in intelligent transportation systems (ITS) due to the many sensors used to monitor traffic conditions. Sensor malfunction, hardware limitations, and technical glitches can lead to incomplete data, potentially leading to errors in traffic data analysis. This analysis investigated spatial-temporal data imputation approaches applied for predictive modeling in ITS. Each approach's strengths, weaknesses, and applicability in the context of ITS are evaluated. We analyzed various imputation approaches involving statistical, machine learning, and combined methods. Statistical methods are more straightforward but could effectively handle modern traffic's complexity. On the other hand, machine learning and combined approaches, such as hybrid convolutional neural network (CNN)- long short-term memory (LSTM), offer more robust capabilities in capturing non-linear patterns present in spatio-temporal data. This research aims to investigate the effectiveness of each approach in overcoming data incompleteness and the accuracy of predicting future traffic conditions with the widespread adoption of IoT, electric vehicles, and autonomous vehicles. The results of this investigation provide an understanding of the most suitable approaches to address the challenges of spatio-temporal data imputation and provide practical guidance for predictive modeling in ITS.
Co-Authors Abdul Hamid Abdul Mughni Afifah, Vika Nur Afriani Maso agung aditya nugraha Agus Luthfi Agus Sukerta Agustina Susilawati Tumangger Aldri Frinaldi Ali, M Firdaus Alit Winaya Amelia Nur 'Izza Amelia, Puja Amin Tohari Amin, Debisal Anak Agung Ayu Putri Ardyanti Anang Kusnadi Aniek Laksmidewi Anifiatiningrum, Anifiatiningrum Annisa Ardhian Putra, Govan Ardiansiah Ardiansiah Ari Suseno Ariana, Anak Agung Gede Bagus Ariana, Melati Ariani, Adriana Venny Asa Arya Sudarman Asana, I Made Dwi Putra Asnita Sinaga Astriyah, Aas Awalanty, Aprilia Putri Ayu Sri Puspita Devi Azizah, Windi Nur Badrus Zaman Bagaskara, Ardha Dewa Cokis Ratih Kumbara DARMANSYAH . darnisah, Darnisah Dasa Ismaimuza Debbi Irfan Mudhoep Deliana Sapareng Dessy Hariyanti, NK Devi Febriyanti Dewa Made Wiharta Dharmika, Ida Bagus Diah Nurdiwaty Dirgahayunita, Aries Djaddang, Syahril Dwi Perwitasari Wiryaningtyas, Dwi Perwitasari Een Irianti Elia Ardyan Erliana, Erliana Erna Yuniati Evie Awuy Evy Nulandari Faisol Faisol Faisol Faisol Fani Isdayanti Firdarini, Khoirunnisa Cahya Firdawati, Ery Fitria Herdiyanti Fitria Ramadhani, Charisa G M Arya Sasmita Gandung Sugita Gatot Suhirman Gde Made Budi Antara Gede Adi Aryanata Gede Patrianaya Margayasa Wirsuyana Gede Sukadarmika Gerson Feoh Halawa, Irena Mei Darnis Hanifatul Mar’ah Hartina Pertiwi Haryati Ruslan Heni, Lidia Hermani, Sofiati I Dewa Gede Hardi Rastama I G.A.K. Warmayana I G.M.W. Meindra Sidemen I GEDE PUTU WIRAWAN I Gusti Made Meri Utama Yasa I Gusti Ngurah Gede Agung Suniantara I K A Riki Gunawan I K. A. Riki Gunawan I ketut Gede Darma Putra I Komang Leo Puja Artana I Made Bayu Dibawan I Made Cahrianto I Made Kris Widiantara I Made Oka Semara Putra I Made Oka Widyantara I Made Rai Suarimbawa I Made Suartika I Nyoman Gede Arya Astawa I Nyoman Gunantara I Nyoman Setiawan I Nyoman Setiawan I Putu Arie Pratama I Putu Gede Gentha Kesuma Negara I Putu Oka Wisnawa I Putu Sudharma Yoga I Wayan Andis Indrawan Ibni Hadjar Ida Ayu Dwi Giriantari Ida Bagus Gede Manuaba Iftihor, Iftihor IGA Sri Melati IGP. Agus Aries Pratama Imran Saputra Surbakti Indah Dwi Kurniawanti Irene Christina Wenas Irfansyah, Muhammad Faiq Jaeng, Maxinus Jannah, Azzahra Raudhatul Joshua Fernaldy Sudarsono Jumirta, Jumirta Junivan Junivan K.O Saputra Kamarudin, Nur Diyana Kamelia Sinaga Kasmiati KHAIRANI, MIFTAHUL Komang Oka Saputra Kundala, Manendha Maganitri Kusuma, M. Putra Hadi Larasati, Adelya Dwi Lie Jasa Luh Ika Dhivtyasari Suryani Lukito Pramono Lukmawati, Putri Puji Luthfih, Yussi Dwi Made Aryawan Made Niama Dwi Susila Made Sudarma Mahmudah, Atim Matul Mahmudi Mahmudi Mala Nurilmala Mannan, Mannan Marinus B. Tandiayuk Marinus Barra Tandiayuk Maxinus Jaeng Meilana, Putri Bibit Moh. Adenan Muh. Rizal Musdalifa MUSTAMIN IDRIS Mutia, Cut Vilda N Paramaita Nafis, Moh. Abi Adhurun Ngurah Indra ER Ngurah Narendra Dananjaya Ni Gusti Ayu Dewi Paramita Arisandi Ni Komang Ayu Sri Anggreni Ni Made Anita Belinda Ni Made Ary Esta Dewi Wirastuti Ni Made Ary Esta Dewi Wirastuti Nisa, Qutsi Khoiru Janahtul NMAE Dewi Wirastuti NMAED Wirastuti Nur Solikin Nurul Huda1 Nyoman Pramaita Nyoman Putra Sastra Nyoman Wendy Saputra Oka Semara Putra, I Made Pramono, Lukito Pramudyanti, Naomi Priyastiwi, Priyastiwi Puspita, Erna Putra Adi Wibowo Putra, Rezi Eka Putra, Rivan Dea Nova Putri Agung Permata Sari Putri, Melly Monika Putu Arya Mertasana Putu Sri Merta Suryani Qoriah, Ciplis G Rahmawati, Titah Rama Beta Herdian Rama Sanjaya Ratih Kumalasari Niswatin Riawanto Tambun Ridho Yurham Rifky Lana Rahardian Rina Yuliana Riska Indramaya Sinaga Riska Riski Riswahyuning, Mareta Selvia Rohman, Alfan Nur Romadhony, Rahmad Irfan Rosdiana Matoneng Rukmi Sari Hartati Rukmi Sari Hartati Sagung Intan Saraswati Sari, Meilinda Trinita SB, Sigit Wisnu Serani, Gabriel Setyowati, Marshela Dewi SIGIT PUJI WINARKO Siregar, Abdul Hasyim Mazhurin Siti Hajar Adriani Sofiati Sofiati, Sofiati Solikah, Mar atus Sri Agustina, Sri Sri Andriati Asri, Sri Andriati Sri Hartati Candra Dewi Sri Kurnianti Sudarman Bennu Sugeng Sugeng Sugiyarti, Ririn Suhardi Suhardi Sukayasa Suprihatin, Sholikah Suryandari,, Marul Susanti P, Susanti P Susi Yusrianti, Susi Sutrichastini, Ary Sutrischastini, Ary Syafruddin Rais, Syafruddin syailendra, syailendra Tantri, Afifah Luftiah Tengku Riza Zarzani N Tri Widyastuti Triana, Dewi Ulfiani Usman H.B Veronica Ambassador Flores W. Setiawan Wahyu Purwanto Wangi, Sari Sekar Wibowo, Agung Edy Widiastuti , Nur Widiawati, Hestin Sri Widyadi Setiawan Wikananda, I Gusti Ngurah Satya Wulandari, Amelia Agustri Yenni Kurnia Gusti Yoga Divayana Yohanes Pracoyo Widi Prasetyo Yohanes Yohanes Yurike Sindi Gloriana Zuriat, Zuriat