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Journal : Sainstek

ANALISIS REGRESI LOGISTIK EKSAK PADA PENANGANAN SAMPEL KECIL Jusuf, Herlina
Sainstek Vol 5, No 3, 2010
Publisher : Sainstek

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Abstract

Correlation between a categorical response variable and one or several predictor variables involving larger samples is analyzed using logistic regression method. However, if the sample size is small and the data are sparse, the relevance of conventional (asymptotic) logistic regression method to use in such correlation analysis will be questioned. This is a statistical study for application of exact logistic regression in the conditional of small sample size and sparse data. Exact logistic regression analysis was done to cases with sample size of 10, 20, 29 and 55 taken from results of random sampling data. obtained by immunization. The dependent variable was immunization status, and he independent variable was peoples exposure to information, education, occupation, living children, knowledge, attitude and participation. The data were analyzed with logxact Turbo program. Result showed that parameter estimation and hypothesis test using exact test provided better solution compared to conventional (asymptotic) logistic regression test such as likelihood ratio, Wald, and Score test. Exact test also provided correlation type or model with sample size of 10, 20, 29 and 55 and wider confidance interval compared to asymptotic inference type. Probability between those intervals had, therefore, larger parameter of population. For test involving numerous independent variables, exact logistic regression method also provided better solution compared to there conventional (asymptotic) logistic regression test. Exact logistic regression method should be used in statistical test with small sample size and spare data and tests that use table with sparse value in each of its cells Keywords : Exact logistic regression, asymptotic
PEMODELAN HIBRID MULTIVARIATE ADAPTIVE REGRESSION SPLINES (MARS) ARIMA UNTUK PREDIKSI DATA SERIES Jusuf, Herlina
Sainstek VOL 07, NO 01, 2013
Publisher : Jurnal Sainstek

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Abstract

Penelitian mengkaji secara teoritis model hibrid MARS ARIMA untuk prediksi data series karena pemodelan data deret waktu biasanya pada kondisi data dengan fluktuasi yang stasioner dan linier adalah cukup memadai dengan menerapkan metode Autoregressive Integrated Moving Average (ARIMA) guna peramalan. Pemodelan deret waktu tak linier, salah satu adalah Multivariate Adaptive Regression Splines (MARS), Model hibrid MARS dengan ARIMA digabungkan karena setiap metode peramalan memiliki keunggulan dan kelemahan dalam menganalisis data, sehingga dapat diperoleh bentuk model terbaik dengan tingkat kesalahan (error) terkecil dalam meramalkan suatu kasus.
Co-Authors Abas, Indri Abd Ziad Mohamad Abdurrahman, Tri Novita Jihan K. Agus Suharsono Alfina Latief Amanah Yassin Rizkia Amanda Adityaningrum amanda ratna ningrum Angraini Nani Armin salote Arsad, Nikmatini Aulia, Ulfa Aurora Pratiwi Dwirachmawaty Avianti Hadju, Vidya Ayu Rofia Nurfadillah Azis, Sri Sudaryani Sy. Abd. Azzahra Natasya Hambali Badu, Filman Afrian Badu, Ririn Baid, Chairunnisyah Bambang Widjanarko Otok Bambang Widjanarko Otok Basir, Ita Sulistiani Basri Kisianta Berahim, Rivaldo I. Bobihhu, Fenadila Kanaila Putri Botutihe, Citrawati Botutihe, Virana Putri Alghefira Bunga, Amaliyah Ramadhan S. Cindy Arsyad Delavita Yunus Delsiana Aksara Dewi Suryaningsi Hiola Dihyat Hasan Djuna Lamondo Dwi Anhari, Sabriah Ekawaty Prasetya Eko Maulana Syaputra Elsariyanti Fadila Fadilla Amalia Bahsoan Faradila Wahab Fatmawati Lasulika Firli Oktaviani Bahute Flora Ninta Tarigan, Sylva Hadju, Vidya Hemu, Thya Julyantika Hunawa, Rachmawaty Dirham Huntoyungo, Dian Rahmatia Ibrahim, Sjafriani Igirisa, Nurwulan Intan Tiara Kartika Irwan Irwan Ismail Djakaria Isra Nur Jusna Ahmad Kadir, Laksmyn Koday, Yunita Angriani La Ode Nashar Ladjali, Sri Indriani Lailany Yahya Lia Amalia Lintje Boekoesoe Liputo, Gusti Pandi Mamonto, Regina Pratidina Mamonto, Tri Nurlaila Manto, Diman Apriyadi Moh. Nisyar Sy. Abd. Azis Moh. Rivai Nakoe Muhammad Ryman Napirah Musa, Andini Nurlatiffah H. Muslihatul Iskamia Mutiara Juniarshi A. Mohune Nadia Nazwa Mohamad Nakoe , Moh Rivai Nikmatisni Arsad Nikmatisni Arsad Nikmatisni Arsyad ningrum, amanda ratna Ninta Tarigan, Sylva Flora Nirwanto K. Rahim Nngareng, Ranggina Sadewi Nur Ayini S Lalu Nur Wahyuniza Matana Nurdiana Djamaluddin Nurfadillah, Ayu Rofiah Nurmita Hasan Nurwulan Igirisa Nurwulan Igirisa Nur’Aida Badu Osama Pakaya, Nadia Paputungan, Fitria Pradita Pristi Nusi Pratiwi, Retno Galuh Putri Adelina Mokodenseho Putri Ayuningtias Mahdang Putri Ayuningtias Mahdang Putri Prisilya Bau Putri Syansudin, Anisya Rahim, Eman Ramly Abudi Rauf, Fertien Nansyah Rayyani Yunus Ridha Hafid Ronaldi Rosmin Ilham Sahrain, Patmawati Salawali, Siti Hajar Salihi, Sri Meysin sangoi, Iin Santi Adam Saputri, Dea Dwi Sari, Wahyuningsih Ratna Sarinah Basri K Sartika Setia Ningsih Sitti Fatimah Meylandri Arsad Sitti Radhia Sri Manovita Pateda Sri Susanti Latabi Suardi Suardi Suleman Ibrahim Taha, Febriyanti Tarisa Ramadhani Gobel Tayong Siti Nurbaeti Tri Septian Maksum Tri Yuliana Soga Ulfa Aulia Ulfa Aulia ummi salami yatuu Usman, Dwiyatno Junaidi Usman, Tasya Nuranda Utiarahman, Ramadhan Vidya Avianti Hadju Vidya Avianti Hadju Vidya Hadju Vivi Kurnia Syukur Labasengko Vivie Indahwati, Vivie Vivien Novarina Kasim Wia Amalia Kartika Widy Susanti Abdulkadir Widya Ramadanti Kasim Widya Waty M. Danial Yasir Mokodompis Yunus, Hairun Nisa Yusuf, Nur Ayun K. Yusuf, Nur Ayun R. Zainuddin Zainuddin Zainuddin, Zainuddin Zakia I. Dotutinggi Zein Anggraini A. Ismail zulfikar Ahmad