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All Journal SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Kubik NUMERICAL (Jurnal Matematika dan Pendidikan Matematika) Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal Ilmiah Universitas Batanghari Jambi BAREKENG: Jurnal Ilmu Matematika dan Terapan JTAM (Jurnal Teori dan Aplikasi Matematika) Psikologi Konseling: Jurnal Kajian Psikologi dan Konseling Jurnal Pemberdayaan Masyarakat JATI (Jurnal Mahasiswa Teknik Informatika) Jurnal Abdidas KUBIK: Jurnal Publikasi Ilmiah Matematika
DIdi Febrian
Universitas Negeri Medan
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Journal : Kubik

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Peramalan Jumlah Wisatawan Mancanegara Yang Datang Ke Sumatera Utara Dengan Fuzzy Time Series Didi Febrian; Dinda Kartika; Debora Agnes Jessica Nainggolan
KUBIK Vol 6, No 1 (2021): KUBIK: Jurnal Publikasi Ilmiah Matematika
Publisher : Jurusan Matematika, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/kubik.v6i1.10604

Abstract

Pariwisata merupakan sektor ekonomi yang secara langsung menyentuh dan melibatkan masyarakat. Akibatnya, perubahan sektor pariwisata akan berdampak langsung bagi parekonomian masyarakat. Berdasarkan data BPS, jumlah wisatawan mancanegara yang datang ke Sumatera Utara berfluktuasi, artinya jumlahnya dapat meningkat maupun menurun setiap bulan dan tahun. Berfluktuasinya perubahan jumlah wisatawan ini akan memberikan dampak bagi pelaku pariwisata. Oleh sebab itu, diperlukan suatu cara untuk meramalkan perkiraan jumlah wisatawan, khususnya mancanegara yang datang. Pada penelitian ini, peneliti meramalkan jumlah wisatawan mancanegara yang datang ke Sumatera Utara dengan metode Fuzzy Time Series Markov Chain Model. Pada tahapan penentuan banyak dan panjang interval, digunakan dua rumusan yaitu rumus Sturges dan average based length untuk diperbandingkan hasil peramalannya. Dengan rumus Sturges diperoleh banyak interval 7. Sedangkan rumus average based length diperoleh 20. Penelitian ini menggunakan Data Training sebanyak 85 data dan data uji 23 data. Data-data tersebut merupakan data sekunder yang diambil dari BPS Sumatera Utara. Nilai MAPE dari hasil peramalan dengan banyak interval 7 adalah 6.66 %  dan dengan interval 20 adalah 9.87 %.
Logistic Regression Analysis to Determine Factors Influencing Career Choices of Undergraduate Alumni: Analisis Regresi Logistik untuk Menentukan Faktor-Faktor yang Mempengaruhi Pilihan Karir Lulusan Sarjana Perguruan Tinggi Febrian, Didi; Harliana, Putri; Farhana, Nurul Ain
KUBIK Vol 10 No 2 (2025): IN PRESS
Publisher : Jurusan Matematika, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/kubik.v10i2.45050

Abstract

An undergraduate alumni has three career choices, namely work, postgraduate study or entrepreneurship. The success of an alumni's career is not only influenced by academic knowledge, but also by other factors that reflect the individual's personal and professional abilities. These factors are certainly obtained from the experiences that the alumni have gone through while studying for their undergraduate program. The respondents of this study were 100 undergraduate alumni of Universitas Negeri Medan in 2021 and 2022. This study aims to determine the effect of GPA (X1), study period (X2), number of achievements (X3), organizational activity (X4), work intensity during undergraduate (X5), and TOEFL score (X6) on alumni career choices (Y). In logistic regression analysis, the independent variable must have at least two categories so that the alumni's career choices (Y) are working (0) and postgraduate study (1). The results of the study showed that only the work intensity factor during S1 (X5) and TOEFL score (X6) had a significant influence on alumni career choices. The Logistic Regression Model based on the influential variables was . The percentage of model accuracy can predict correctly by 72.0%.
Co-Authors Adidtya Perdana, Adidtya Arnita Arnita Arnita Arnita Arnita Piliang Butar, Pelixman Butar Debora Agnes Jessica Nainggolan Dinda Kartika Fahrur Rozi Ginting, Rafael Lisinus Hermawan Syahputra Josafat Simanjutak, Todo Kana Saputra S Kartika, Dinda LALA JELITA ANANDA Manullang, Sudianto Marlina Sinaga Marpaung, Faridawaty Nasution, Hamidah . Niska, Debi Yandra Nurkhalizah, Rezeki Nurul Ain Farhana Nurul Maulida Surbakti Prihatin Ningsih Sagala Said . Iskandar Sinaga, Marlina Setia Sri Dewi Syarida Aini, Desti Syukur Iman J. Telaumbanua Yulita Molliq Rangkuti Zulfahmi Indra, Zulfahmi