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All Journal PROSIDING SEMINAR NASIONAL JURNAL EKSAKTA PENDIDIKAN (JEP) Beta: Jurnal Tadris Matematika JURNAL EDUCATION AND DEVELOPMENT Eksakta : Berkala Ilmiah Bidang MIPA Menara Ilmu Pelita Eksakta ILKOMNIKA: Journal of Computer Science and Applied Informatics Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Leibniz: Jurnal Matematika Journal of Mathematics UNP Rangkiang Mathematics Journal UNP Journal of Statistics and Data Science Indonesian Journal of Statistics and Its Applications

Nonong Amalita

Universitas Negeri Padang

Author-ID : 225497

Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Faktor – faktor yang Mempengaruhi Persalinan Berdasarkan Umur Kehamilan dengan Menggunakan Analisis Regresi Logistik Melly Kurniawati; Media Rosha; Nonong Amalita
Journal of Mathematics UNP Vol 6, No 1 (2021): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract – Childbirth is a natural event experienced by a mother. Based on interviews in September 2015 were conducted in the mother house who have experienced childbirth said that the mother gave birth at 29 weeks gestational age infant’s organ is not mature enough, and the baby eventually died. The aim of this study was to determine the form of the logistic regression model, factors that significant and opportunity of the each factors that significantly affect childbirth based on gestational age. The results were obtained form the logistic regression model that describes the factors that affect childbirth based on gestational age. Who the significance factor are history of childbirth, anemia, and hypertension. Opportunity mother had a history of preterm childbirth, anemia, and hypertension the opportunity of the mother will experience premature childbirt is 0.999. Keywords: Childbirth, Logistic Regression, Probability

Karakteristik Kelulusan Tepat Waktu Mahasiswa FMIPA UNP dengan Menggunakan Metode Classification and Regression Trees Lilis Sulistiawati; Nonong Amalita
Journal of Mathematics UNP Vol 5, No 2 (2020): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract — This reaserch discussed about classification of timely graduation of college students. There are still a lot of students of Mathemathics and Natural Science Faculty of Universitas Negeri Padang who was overdue in Finishing their studies. This can affect the decline in study program accreditation or even reduce the university’s image. Therefore, this reaserch aims to determine the characteristic of students who graduate on time and who do not graduate on time based on variables of gender, school origin, scholarship, college entrance pathway, Grade Point Average (GPA), father’ occupation and mother’s occupation by using the Classification and regression Trees (CART) method. The population in this reaserch is the entire student of Mathemathics and Natural Science Faculty of Universitas Negeri Padang who graduated in 2018. The characteristics of college students who graduate on time is students who have a 3,51 – 4,00 GPA with a percentage of 75,2% and student who have a 2,00 – 3,50 GPA, received scholarship and came through the SBMPTN with a percentage 83,3%.Keywords — Characteristic of Graduation, Classification and Regression Trees (CART), Optimum Tree.

Analisa Tentang Luas Tanam dan Luas Panen di Bidang Komoditi Perkebunan di Provinsi Sumatera Barat dengan Menggunakan Analisis Profil Wella Saputri; Nonong Amalita
Journal of Mathematics UNP Vol 5, No 1 (2020): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract—The plantation is one of the agricultural sub-sectors and an important component in the formation of the PDRB of West Sumatra Province. Crop production from plantation commodities is also supported by the planting and harvesting area. The planting area will affect into the harvesting area. In West Sumatra, there are several regions has a large amount of planting area but result in avery small amount of harvesting area. The purpose of this study is to see a comparative picture of planting and harvesting area in West Sumatra Province by using profile analysis, with ten variables of plantation commodities. Based on the results of the two population profile analysis test, the profile of planting and harvesting area of plantation commodities in West Sumatra Province were similar. There were two variables that did not have the same mean i.e. gambier and cocoa. Keywords—Planted Area, Harvested Area, Profile Analysis

Estimasi Bayes pada Distribusi Pareto dengan Data Tersensor Tipe II Atika Ahmad; Nonong Amalita
Journal of Mathematics UNP Vol 3, No 2 (2018): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract Parameter’s estimation is used to estimate the parameter values of a discrete distribution as well as a continuous distribution. One form of continuous distribution is the Pareto distribution, where the Pareto distribution has parameters, they are theta dan lambda. The method used to estimate parameters is Bayes estimation. Bayes Estimation has its own way of determining the initial distribution form (prior) and posterior distribution. Parameter’s estimations are also used in one statistical analysis technique that investigates the survival of an product or individual. The life test data used is type II censored data where the experiment will be stopped after getting r data. This reseach aims to determine the form of parameter estimators and in the Pareto distribution on type II censored data using Bayes estimation. The results in this reseach obtained the form of posterior distribution from Pareto distribution on type II censored data and form of estimator theta dan lambda.

Peramalan Kebutuhan Energi Jual pada PT Perusahaan Listrik Negara (PLN) Cabang Bukittinggi dengan Menggunakan Metode Dekomposisi Sensus Ii Sujantri Wahyuni; Helma Helma; Nonong Amalita
Journal of Mathematics UNP Vol 2, No 1 (2014): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract -- Indonesia’s electrical are managed by PT.PLN. To increase distribution service of electric in all of area. PT PLN could forecast necessity of sell energy, so that could planning energy will be distribution based result of forecasting. Pattern of sell energy is seasonal pattern. Decomposition census II is realiable for seasonal pattern. This research study about how much necessity of sell energy for 12-monthly by decomposition census II ? The result based description of data and analisis of data are necessity of sell energy is between 28.537.128 until 33.359.590 Keywords: forecast, Decomposition census II, necessity of sell energy

Faktor–Faktor yang Mempengaruhi Perilaku Konsumen Memilih Mobil Bekas Merk Toyota Menggunakan Analisis Faktor Cindy Febrianita; Minora Longgom; Nonong Amalita
Journal of Mathematics UNP Vol 4, No 2 (2019): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract –There are four factors that influence someone or consumer to choose a product: culture factor, social factor, individual factor, and psychology factor. Many factors that influence someone to choose and its have correlation one with another, so we can processed the data using factor analysis. The results of this research indicate that the factors that affect consument choose to buy secound car brand Toyota there are some factors, the factor is recommendation to choose the product, life style, perception to choose the product, motivation to choose the product, parent existence, and job. Keywords: factors of consumer behavior, secound car brand Toyota, factor analysis

Faktor-faktor yang Mempengaruhi Jumlah Kelahiran di Provinsi Sumatera Barat dengan Menggunakan Analisis Faktor Resti Febrina; Nonong Amalita; Dewi Murni
Journal of Mathematics UNP Vol 2, No 1 (2014): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract –– The Problem of birth is one of the unresolved issues in West Sumatra. The birth rate in western Sumatra in the high category, where a mother gives birth to an average of three to four childrens. Increasing the number of births means that population growth will affect the welfare of society. It required effort to see birth control factors affecting birth. To find out which factors that affect the number of births in the province of West Sumatra is used by factor analysis. Base on the results obtained the data analysis three factors that affect the number of births in the province of West Sumatra that women with low education or undergraduate, women who married at the end of adolescence, and women who are married under-age and use contraceptive. Keywords –– Factor analysis, Problem of birth, and Number of birth.

Faktor-Faktor yang Mencirikan Kondisi Financial Distress Pasca Kenaikan BBM Perusahaan Manufaktur di BEI Menggunakan Analisis Biplot Venny Oktarinda; Syafriandi Syafriandi; Nonong Amalita
Journal of Mathematics UNP Vol 2, No 1 (2014): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract Financial distress is situation where financial condition company in crisis. Prices increasis BBM is one of the external factors cause occurrence of financial distress. So that company can overcome problem of financial distress, it’s necessary know factors that characterize financial condition by financial ratios of manufacturing companies on Indonesian Stock Exchange before and after increase prices BBM using biplot analysis. Biplot results indicate that factors characterize company condition good company prior to the rise in fuel prices is value of CR, DER, and ROE above average and value TATO is below average. After the occurrence of condition of fuel price hike company declined to cash flow problems and deterioration. Company's cash flow problems on condition characterized by value of CR above average and of DER, TATO, and ROE is below average. Company on condition characterized by deterioration DER values were above average, value CR, TATO, and ROE is below average. Keywords financial distress, financial ratios, biplot analysis

Faktor-Faktor Risiko yang Mempengaruhi Kanker Paru-Paru dengan Menggunakan Analisis Regresi Logistik Juwita Juwita; Nonong Amalita; Meira Parma Dewi
Journal of Mathematics UNP Vol 6, No 1 (2021): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract – Lung cancer is a disease with characteristic presence of uncontrolled cell growth in the lung tissue. If not treated, the growth of these cells can spread beyond the lung. So if it is not taken seriously, will be ensured with lung cancer longer will increase. The factors that affect the risk of lung cancer are age, gender, cigarette consumption and lung disease history, family history, and type of work. To determine the factors that most influence the risk of lung cancer will be established a model which can help the application of a causal relationship between two or more variables by using logistic regression analysis. Which aims to determine the factors that influence and determine the chances of each of the factors that affect the risk of lung cancer. Based on theresults of the study, the factors that affect the risk of lung cancerat the Hospital Dr. M. Djamil Padang is age cigarette consumption and lung disease history. If a personolder than 40 years, smokers and have a history of lung disease, the chances that a person will suffer from lung cancer increases.Keywords–lung cancer, risk factor, logistic regression analysis

Pengelompokan Merek Susu Ultra High Tempherature Berdasarkan Kemiripan Kandungan Gizi Menggunakan Analisis Biplot Swithania Rizka Putri; Nonong Amalita
Journal of Mathematics UNP Vol 5, No 1 (2020): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Abstract— Milk have benefits as a type of healthy food. The nutritional content of milk has many benefits for the body. Ultra High Temperature Milk is one type of processed milk that has large demand by public. In order for people to choose the type of Ultra High Temperature milk based on the nutritional content they need. This study aims to determine the milk brand groups that have similar nutritional content and diversity of the nutritional content. Data that used in this research is secondary data which gathered from UHT milk’s producer from any website. Biplot analysis can be used to get the information of which group of UHT milk’s brand that has the same nutritional content. The result from Biplot Analysis showed that total fat content had a great diversity than the others in all milk brands, and there were 12 groups of milk brands that had similar nutritional content. Keywords— Nutritional Content, Ultra High Tempherature, Biplot Analysis

Co-Authors Addini, Vidhiya Ade Eriyen Saputri Adinda Dwi Putri Admi Salma Aldwi Riandhoko Ali Asmar Amanda, Abilya Amelia Fadila Rahman Andini Yulianti Anggi Adrian Danis Anjelisni, Nining april leniati Arnellis Arnellis Atika Ahmad Atus Amadi Putra Azwar Ananda Chairina Wirdiastuti Cindy Febrianita Denia Putri Fajrina Dewi Febiyanti Dewi Murni Dina Fitria Dina Fitria Dina Fitria, Dina Dodi Vionanda Dony Permana Dwi Sulistiowati Edwin Musdi Elita Zusti Jamaan Elsa Oktaviani Fadhilah Fitri Fajrin Putra Hanifi fajriyanti nur, Putri Fatma Yulia Sari Faulina FAZHIRA ANISHA Fikra, Hidayatul Fitri, Fadhilah Gezi Fajri Ghaly, Fayyadh Hamida, Zilfa Hana Rahma Trifanni haniyathul husna Hasna, Hanifa Helma Helma Helma Helma Herlena Purnama Sari Huriati Khaira Ichlas Djuazva Inna Auliya Jihe Chen Juwita Juwita Khairani, Putri Rahmatun Lilis Sulistiawati Media Rosha Media Rosha Meira Parma Dewi Melly Kurniawati Miftahurrahmi, Syifa Minora Longgom Mohammad Reza febrino Mudjiran Mudjiran Muhammad Tibri Syofyan Mukhti, Tessy Octavia nabillah putri Nadha Ovella Syaqhasdy Natasya Dwi Ovalingga, natasyalinggaa Nini Erdiani Nur Fadillah, Nur Nurhizrah Gistituati Okia Dinda Kelana Oktaviani, Bernadita Permana, Dony Prida Nova Sari Puti Utari Maharani Rahma, Dzakyyah Resti Febrina Retsya Lapiza Rizki Amalia, Annisa Rizqia Salsabila Rusdinal Rusdinal Saddam Al Aziz Safitri, Melda Salma, Admi Seif Adil El-Muslih Shavira Asysyifa S Sondriva, Wilia Sujantri Wahyuni Suparman Suparman Swithania Rizka Putri Syafriandi Syafriandi Syafriandi Syafriandi Syafriandi Syahfitrri, Nindi Tamur, Maximus Tessy Octavia Mukhti Tri Wahyuni Nurmulyati Venny Oktarinda Viola Yuniza Wella Saputri Wulan Septya Zulmawati Yarman Yarman, Yarman Yenni Kurniawati Yulia Pertiwi Zamahsary Martha Zilla Zalila Zilrahmi, Zilrahmi

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