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All Journal Media Statistika Jurnal Sains dan Seni ITS E-SOSPOL Journal of Regional and City Planning El-Mashlahah IJIET (International Journal of Indonesian Education and Teaching) Jurnal Kiprah Warta Pengabdian Jurnal ULTIMA Accounting JAKP (Jurnal Administrasi dan Kebijakan Publik) Jurnal Yuridis Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Business and Finance Journal Indonesian Comparative Law Review Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat Inferensi wacana equiliberium (jurnal pemikiran penelitian ekonomi) Madaniya Nakhoda: Jurnal Ilmu Pemerintahan Jurnal Rechts Vinding : Media Pembinaan Hukum Nasional Scientax: Jurnal Kajian Ilmiah Perpajakan Indonesia Jurnal Transformasi Administrasi Sewagati International Journal of Sustainability in Research (IJSR) Strategi Memperkuat Integritas Lembaga Peradilan Indonesia Judex Laguens Jurnal Jurisprudence International Journal of Computing Science and Applied Mathematics-IJCSAM
Agus Suharsono
Departemen Statistika Institut Teknologi Sepuluh Nopember
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Journal : Media Statistika

 1 
DIAGRAM KENDALI MEWMV DAN MEWMA BERBASIS MODEL TIME SERIES PADA DATA BERAUTOKORELASI: STUDI KASUS GULA KRISTAL PUTIH Novri Suhermi; Retno Puspitaningrum; Agus Suharsono
MEDIA STATISTIKA Vol 12, No 1 (2019): Media Statistika
Publisher : Department of Statistics, Faculty of Science and Mathematics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (770.578 KB) | DOI: 10.14710/medstat.12.1.26-38

Abstract

In this study, we aim to build a multivariate control chart for autocorrelated data. We use MEWMA and MEWMV control charts which are free of normality assumption. Time series model is then applied to tackle autocorrelation problem in the data where the control charts require independence assumption. The real dataset used is the quality characteristics of white crystal sugar, also called gula kristal putih (GKP). There are 3 quality characteristics of GKP, namely moisture (%), color of solution (IU), and grain type (mm). It is considered that these quality characteristics are correlated each other. Our results show that the variability process is out of control where there are 5 observations outside the control limits. Meanwhile the mean process is also out of control. The factors causing the out of control include the workers, the raw materials, the measurement, the machines, and the methods. The process capability indices result in the values less than 1 which means the process is not sufficiently capable.
Co-Authors Abul Haris Suryo Negoro Ade Dwi Anggraeni Ahsan, Muhammad Amriani, Tenry Nur Andarista, Dhea Vanny Andi Tenri Ampa Andi Tenri Ampa Andria Prima Ditago Ani Satul Ru’yati Badriyah Anwar Anwar Aprilia Ardiriani Aryo Wibisono Astiti, Luh Gede Dewi Sari Astrid Wiswandani Bambang Widjanarko Otok Bernadeta Chrisdayanti Boedijono, Boedijono Clara Agustin Stephani Desy Ariyanti Diaz Fitra Aksioma Dina Fitriasari Dina Suryawati Dwitiya Khansa N Elly Pusporini Fiqih Nur Aminah Firdaus, Alfareza Galvani, Selly Ganis Ardhaning Saputri Harun Al Azies Haryono Haryono Haryono Haryono Haryono Haryono Haryono Haryono Hidayatul Khusna Ilham Maharsa P Imaduddin Wafi Imam Safawi Ahmad, Imam Safawi Indaryani, Ariefina Sri Inka Ramadhani Putri Intan Nurul Amalia Jerry Dwi Trijoyo Purnomo Khoiru Liummah Ayu Nastiti Linda Wulansari Taryanto Lutfi Nur Aini Marieta Monica Marieta Monica Mohammad Hafidz Al Habib Monica, Marieta Muflih Rori Putra Harahap muhammad mashuri Mulyantari, Adhelya Dwi Muniroh Muniroh Nafilah Faradiba Nanik Prasetyoningsih Ni Luh Putu Satyaning Pradnya Paramita Nisar Nisar Nur Aida Ikrima Nur Iriawan Prabhawati, Adhiningsih pramesti, wara Prasetyoningsih , Nanik Purhadi Purhadi Purnamasari, Mita Rahmawati Erma Standsyah Retno Dyah Handini Retno Puspitaningrum Rina Wahyuningsih, Rina Rizky Nanda Ghifari Rohman, Hermanto Rossy Budhi Pratiwi Salisa Minchatur Rohmah Salsabila, Malikal Balqis Sari, Vianney Dwi Puspita Selfi Budi Helpiastuti Siti Annissa Rachmawati Siti Azizah Sonia Faradilla Suhartono Suhartono Suhartono Suhartono Suhermi, Novri Sunyoto Usman utomo, chandra eko wahyudi Vidya Sukma Fitriyawan Wibawati Wibawati Wibawati Wibawati Wibawati Wikaning Tri Dadari Yongky Choirul Anam Zahrina Luthfi Raudina Zarrin Hubaisy