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Journal : EIGEN MATHEMATICS JOURNAL

Nowcasting of Indonesia's Gross Domestic Product Using Mixed Sampling Data Regression and Google Trends Data Yuliana, Niken; Ramadanty, Shashella Zelicha; Syifa, Umu Arifatul; Kartiasih, Fitri
Eigen Mathematics Journal Vol 7 No 2 (2024): December
Publisher : University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/emj.v7i2.187

Abstract

This study aims to compare the results of the GDP nowcasting of the accommodation and food service activities sector without and with the pandemic time using the MIDAS method. The MIDAS method is an econometric approach used to predict economic development using real-time available high-level and low-frequency data. In this study, Google Trend acts as a predictor variable consisting of 16 search categories which are then reduced by Principal Component Analysis, resulting in several principal components. For GDP data, the data period collected is Quarter I 2010 to Quarter I 2023. This period will later be partitioned into the period before the COVID-19 pandemic, namely Quarter I 2010 to Quarter IV 2019 and a combined period, namely Quarter I 2010 to Quarter I of 2023. This partition was carried out to see the performance and sensitivity of the model before and after the shock due to the COVID-19 pandemic. From the models that have been made, nowcasting is carried out and it is found that the RMSE and MAE values for the pre-pandemic model are smaller than the combined model. The RMSE values for each of the pre-pandemic and combined models were 0.005753 and 0.056032 and the MAE values were 0.00359 and 0.048976 for the pre-pandemic and combined models. However, from this study it is not advisable to make predictions on the nominal GDP of the accommodation and food service activities sector because the results of the nowcasting predictions are still far from the actual value, but can be a reference if you want to predict the growth direction of the accommodation and food service activities sector.
Co-Authors A'mal, Ikhlasul Abioga, Naufal Raffie Achmad Nizar Hidayanto Achmad Noerkhaerin Putra Addaruqutni, Adnan Dahiya Aditya, Randy Daffa Afifah, Aisyah Nur Agustina, Serly Ahmady, Haidar Hilmy Aini, Mifrotun Akhmad, Afied Albab, Muhammad Hafiz Amalia Isti Widiyasari Amalia, Mutiara Friska Anam, Mohammad Anang, Yunarso Aprianto, Stenislaus Angga Apriliani, Nur Hidayah Arif Maulana, Arif Arif Rahman Hakim Arindah, Yuli Arini, Rechtiana Putri Arisanti, Rohimma Arnanda, Feza Raffa Arthamevia, Aisha Asri, Yualita Surya Atmaja, Anugerah Surya Audina, Resda Aninditya Aulia, Miranda Aurellia, Nur Aisya Aysyah, Putri Azhari Azhari Azizi, M Ziko Azmi, Annisa Nurul A’mal , Ikhlasul Barsua, Ni Putu Esti Utami Belantika, Bernica Tiyas Budiman, Muhammad Amirul Cahyarani, Arista Ika Camalia, Nur Dina Chisan, Innas Khoirun Daulay, Nur Ainun Dilaga, I Made Joel Jaya Dini, Putri Muthi’ah Dyah Widyastuti Dzunnurain, Zena Azzahra Elvaretta , Katrina Lavenia Ernawati Pasaribu, Ernawati Erviana, Rissa Esharja, Zul Ahmad Fajritia, Rahajeng Fauzan, Fardhi Dzakwan Fitriyyah, Nur Retno Gayatri, Tayasi Ditoresmi Ghaista, Indahtul Gufron, Fat’hul Mubin Habibi, Hasan Bahtiar Hafiz, Muhammad Sultan Hakim, Rafi Ariq Hamdani Hamdani Hardinata, Rizki Hariaddin, Muhammad Harum, Nisrina Sekar Hasabi, Rafif Hasanah, Lailatul Hasibuan, Sri Rahayu Hasna, Nisa Fatharani Hayuningtyas, Aulia Herindra, Tsabit Bintang Hermawan, Kadek Dody Kusuma Hidayat, Anang Kurnia Hilal, Yanuar Nurul Holyness Nurdin Singadimedja Husain, Farah Fadhilah Hutabarat, Josephin Pirdinansius Hutajulu , Dhevri Leonardo Irianto, Hikmal Mardian Ishak, Rani Mardiyah Ismail, Ghaffar Jamaluddin, Halim Nur Jane, Giani Jovita Jannah, Nazwa Thoriqul Junianto, Raihan Rahmanda Kamal, Firhand Yusuf Khasanah, Alif Fitriatul Khotibul Umam Kurniawati, Reny Dyah Kusumawardani, Sukma Ayu Kuswardani, Rakaninda Indah Laksmana Putri, Calivi Kezia Latifa, Afina Lesmana, Faqih Indra Lubis, Adrian Kesar Pratama Lubis, Mahira Fachrunnisa Lukman, Raif Maulana Lukytawati Anggraeni Luthfia, Nisrina Maharani, Rafaela Suryadiva Indira Mahardika, Mayza Hanif Abbad Maruli, Surya Mauboy, Lourna Mariska Maulana, Arswenda Putra Miswa, Sabrina Do Mulkan, Drajat Ali Mumtazah, Soraya Afkarina Muzakki, Naufal Fadli Nabilah, Yasmin Nur Alya Nainggolan, Gibson Daniel Andrianto Nasir, Andi Ardiansyah Nurfayza, Fairuz Azizah Nurhayati, Saniyyah Sri Oktaviana, Lisda Oktaviana, Siska Wahyu Oktaviani, Anisa Nur Pamungkas, Khrisna Aji Parulian, Firman Emmanuel Declarantius Pemayun, Anak Agung Gede Rai Bhaskara Darmawan Perangin-Angin, Elgresia Egita Br Pertiwi, Intan Puspaning Prakoso, Nur Yudha Jati Prakoso, Nurihisha Nadya Putri Pramesthi, Adinda Ayu Pramesthy, Widhelia Echa Prasetyo, Rokhmirati Prasojo, Naufal Anhar Pratama, Bagus Putra Pratama, Muhammad Zacky Arie Pratiwi Pratiwi Prayoga, Suhendra Widi Primadani, Avelia Deavy Purnatadya, Sinatrya Dwi Putri , Nasya Zahira Putri Yunardi, Nabila Fatma Putri, Ananda Rania Putri, Azmi Zulfani Putri, Hala Mutiara Putri, Khuzaimah Putri, Natasya Yunita Putri, Nimas Ayu Eka Putri, Syofmarlianisyah Rachma Safitri, Viola Rahma, Hanny Nur Rahma, Suci Fadhila Rahmadani, Alif Hidayah Nur Rahmanto, Karina Cindy Rahmawati, Iftina Ika Raihannabil, Syfriza Davies Rajagukguk, Marlon Brando Ramadanty, Shashella Zelicha Ramadhan, Arfian Kurniawan Ramadhani, Anindita Ayu Ramadian.M, Vivi Adelia Randa, Abigail Brenda Pasorong Rayhan, Dhymas Adhyza Rega, Raina Revanadillaa, Daradinanti Aulia Rifdianti, Shinta Rinangku, Rahadian Eka Bagus Indra Risxi, Muhammad Alfa Rita Yuliana Rizky Rahmadani, Rizky Rohmah, Nur Amaliyatur Rohmat, Erwin Agung Nur Rosanti, Hanifah Putri Ryan Hawari, Ryan Sabillah, Hanif Sabrina, Rizka Sagita, Fauzan Faris Samosir, Cecilia Putri Dianti Samosir, Immanuel Nicholas Fransepta Sandi, Imella Mendita Sandy, Nicholas Rahardian Kurnia Sari, Fahra Permata Sari, Linda Monica Sari, Mutiara Indryan Sarwosih, Arifa Tri Sepbrina Br Lumban Gaol, Ruth Natasya Septian, Dicky Aulia Setiawan, Kevin Rizkika Setyaningtyas, Ashita Shabrina, Amara Putri Shafira, Hervira Nur Siahaan, Rio Manuppak Siahaan, Vendredy P. Lucasio Sibagariang, Fahri Azis Siburian, Lastri Ramadani Simamora, Kevin Simamora, Patrick Noel Siregar, Arsyka Laila Oktalia Siregar, Tiara Khorijah Hamid Sofa, Wahyuni Andriana Subian, Alwan Rahmana Suhaib, Aida Muthia Suhendi, Brigitta Aurelia Putri Susiawati, Ni Luh Putu Ari Swardanasuta, I Bagus Putu Syaharani, Afifah Dayan Syahputri, Sabilla Hamda Syifa, Umu Arifatul Taridipa, Fitrisia Umami, Bafinatul Utami, Almira Utami, Maulidya Fan Ghul Udzan Vianey, Arsdhewani Maria Wahyuni, Ribut Nurul Tri Wardana, Ardian Putra Wardani , Marshela Alya Kusuma Wibowo, Afina Zahrah Ananda Widiyasari, Amalia Isti Widyarta, I Kadek Purna Wijayanti, Sukma Kurnia Wilantika, Nori Wilda, Marchadha Santi Wulandari, Yulia Nawang Yuliana, Niken Yusman Syaukat Zajidah, Annisa Muthi Zega, Alvandi Syukur Rahmat Zhafarina, Nadaa