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All Journal Journal on Education Eksakta : Berkala Ilmiah Bidang MIPA PRISMATIKA: Jurnal Pendidikan dan Riset Matematika Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Pelita Eksakta Ihsan: Jurnal Pengabdian Masyarakat Jurnal Statistika dan Matematika (Statmat) Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Indonesian Community Journal Jurnal GAMMA-PI Jurnal Armada Pendidikan
CUT MULTAHADAH
Universitas Jambi
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Journal : Jurnal GAMMA-PI

 1 
Perbandingan Metode Stepwise dan PCA pada Kasus Faktor-Faktor yang Mempengaruhi Pendapatan Asli Daerah di Provinsi Jambi Yuliana Chrisna Silitonga; Kamid; Cut Multahadah
JURNAL GAMMA-PI Vol 3 No 2 (2021): Jurnal Gamma-Pi (Matematika dan Pendidikan Matematika)
Publisher : Program Studi Matematika, Fakultas Teknik, Universitas Samudra. Langsa, Aceh.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jgp.v3i2.4213

Abstract

Multikolinearitas adalah hubungan linear antar variael bebas. Hubungan tersebut terjadi karena adanya korelasi antar variabel bebas. Jika terdapat data yang terjadi multikolinearitas berarti salah satu asumsi regresi linier tidak terpenuhi. Salah satu cara untuk mengatasi multikolinearitas adalah dengan menggunakan metode pemilihan model terbaik. Pada penelitian ini metode yang digunakan adalah metode Stepwise dan Principal Component Analysis (PCA). Kasus yang digunakan pada penelitian ini adalah faktor-faktor yang mempengaruhi pendapatan asli daerah (PAD) Provinsi Jambi. Faktor-faktor yang mempengaruhi PAD adalah jumlah penduduk ( ), belanja daerah ( ), PDRB Perkapita ( ), inflasi ( ), dan investasi ( ). Hasil penelitian yang diperoleh dengan menggunakan metode Stepwise adalah: dengan nilai Adjusted 2 0,968 dan nilai MSE sebesar 0,034, sedangkan hasil yang diperoleh dengan menggunakan metode PCA adalah dengan nilai Adjusted 2 sebesar 0,952 dan nilai MSE sebesar 0,048. Hal ini menunjukkan bahwa metode Stepwise lebih baik untuk mencari model terbaik pada kasus ini dengan variabel yang paling mempengaruhi adalah jumlah penduduk. Kata kunci: Multikolinearitas, Stepwise, Principal Component Analysis (PCA), Pendapatan Asli Daerah (PAD)
Model Struktural Kepercayaan Masyarakat Pada Kebijakan Vaksinasi COVID-19 di Kota Jambi Cut Multahadah
JURNAL GAMMA-PI Vol 4 No 01 (2022): Jurnal Gamma-Pi (Matematika dan Pendidikan Matematika)
Publisher : Program Studi Matematika, Fakultas Teknik, Universitas Samudra. Langsa, Aceh.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jgp.v4i01.6202

Abstract

Structural Equation Modeling (SEM) is a statistical method in multivariate analysis to test a theory or a hypothesis between variables in the form of relationships and not language. Structural Model in SEM describes the relationship between latent variables. Latent variables in SEM modeling function as exogenous variables or endogenous variables. In preventive health behavior on a person's belief to take disease action there is a late variable. Therefore, to analyze the trust of the Jambi city community towards the Covid-19 vaccination program policy, the SEM method was applied. Based on the results of the study, it can be said that the model of the structure of public trust in the COVID-19 vaccination policy in Jambi City is =1.15η+0.97ξ_1+0.99ξ_2+0.01. In general, the model can be accepted based on the GFI (Goodness of Fit Index) value of 0.908 and the AGFI (Adjusted Goodness of Fit Index) value of 0.859 which is close to 1.
KEMAMPUAN PEMBUKTIAN MATEMATIS MAHASISWA MATEMATIKA PADA MATA KULIAH TEORI BILANGAN Cut Multahadah
JURNAL GAMMA-PI Vol 4 No 01 (2022): Jurnal Gamma-Pi (Matematika dan Pendidikan Matematika)
Publisher : Program Studi Matematika, Fakultas Teknik, Universitas Samudra. Langsa, Aceh.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jgp.v4i01.6207

Abstract

Number Theory is one of the courses in the Mathematics Study Program. The learning achievement in this course is being able to prove the theorem contained in a set of integers. To prove the theorem requires mathematical proof ability. The ability to prove mathematically requires students to be able to analyze, sort and relate the facts given in the form of premises and conclusions. One of the strategies in mathematical proof is direct proof. This study focuses on the description of the mathematical proof ability of students of the mathematics study program for the academic year 2022/2023, totaling 26 people in the Number Theory course on the topic of division related to direct proof strategies. This research is a qualitative and quantitative research with technical data analysis using the Miles and Huberman Model and Tests. The results showed that from 26 students 42.308% percent answered perfectly, 15.384% students answered imperfectly and 42.308% percent of students answered incorrectly. So it can be concluded that the students' mathematical proof ability, especially the problem of direct proof in the Mathematics study program, Faculty of Science and Technology, Jambi University, in the Number Theory course is 57.692% in the good category and 42.308% in the bad category.
Co-Authors Aryani, Reni Azzikra Febrianti Azzikra Febriyanti Bella Arisha Corry Sormin Feri Tiona Pasaribu Fernando Mersa Putra Fitratul Aini Fitriyani Fitriyani Gusmanely Z Hairini Hairini Kamid Kamila Khairul Alim Mardhotillah, Bunga Niken Rarasati Rosi Widia Asiani Rosi Widia Asiani Susi Marisa Susi Marisa Syamsul Arifin Syamsyida Rozi Yelli Ramalisa Yuliana Chrisna Silitonga Yuliana Safitri Yurinanda, Sherli Zurweni Zurweni