Ismah, I., Sumertajaya, I. M., Djuraidah, A., & Fitrianto, A. (2020). PENDEKATAN GEOGRAPHICALLY WEIGHTED ZERO INFLATED POISSON REGRESSION (GWZIPR) DENGAN PEMBOBOT FIXED BISQUARE KERNEL PADA KASUS DIFTERI DI INDONESIA. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 14(1), 039–046.
Sulistyowati, U., Notodiputro, K. A., & Sumertajaya, I. M. (2020). A REPEATED CROSS-SECTIONAL MODEL FOR ANALYZING UNEMPLOYMENT DATA IN BOGOR. Indonesian Journal of Statistics and Its Applications, 4(2), 254–260.
Chrisinta, D., Sumertajaya, I. M., & Indahwati, I. (2020). EVALUASI KINERJA METODE CLUSTER ENSEMBLE DAN LATENT CLASS CLUSTERING PADA PEUBAH CAMPURAN. Indonesian Journal of Statistics and Its Applications, 4(3), 448–461.
Wakhid, W., Rauf, A., Krisanti, M., Sumertajaya, I. M., & Maryana, N. (2020). Species richness and diversity of aquatic insects inhabiting rice fields in Bogor, West Java, Indonesia. Biodiversitas Journal of Biological Diversity, 21(1).
Sabani, N., Sukmawati, A., & Sumertajaya, I. M. (2020). SOCIAL ENTREPRENEUER IN ORGANIZATIONAL CULTURE AND ORGANIZATIONAL EFFECTIVENESS IN SUSTAINABILITY OF SEKOLAH PETERNAKAN RAKYAT NGUDI REJEKI KEDIRI. Indonesian Journal of Business and Entrepreneurship (IJBE), 6(3), 269–269.
Fadhlia, S., Sumertajaya, I. M., & Djuraidah, A. (2020). PENGGEROMBOLAN DERET WAKTU DENGAN PENDEKATAN UKURAN KEMIRIPAN PICCOLO UNTUK PERAMALAN CURAH HUJAN PROVINSI BANTEN. Indonesian Journal of Statistics and Its Applications, 4(2), 382–391.
Choiriyah, E., Syafitri, U. D., & Sumertajaya, I. M. (2020). PENGEMBANGAN MODEL PERAMALAN SPACE TIME: Studi Kasus: Data Produksi Padi di Sulawesi Selatan. Indonesian Journal of Statistics and Its Applications, 4(4), 579–589.
Newton, N., Kurnia, A., & Sumertajaya, I. M. (2020). ANALISIS INFLASI MENGGUNAKAN DATA GOOGLE TRENDS DENGAN MODEL ARIMAX DI DKI JAKARTA. Indonesian Journal of Statistics and Its Applications, 4(3), 545–556.
Hendrawati, T., Wigena, A. H., Sumertajaya, I. M., & Sartono, B. (2020). Clustering rainfall data using Piccolo method. AIP Conference Proceedings, 2296, 020056.
Wakhid, W., Rauf, A., Krisanti, M., Sumertajaya, I. M., & Maryana, N. (2020). Aquatic insect assemblages in four urban lakes of Bogor, West Java, Indonesia. Biodiversitas Journal of Biological Diversity, 21(7).
Faradila, A., Syafitri, U. D., & Sumertajaya, I. M. (2020). PENGGEROMBOLAN SUBSEKTOR INDUSTRI BERDASARKAN PERKEMBANGAN INDEKS PRODUKSI MENGGUNAKAN PREDICTION-BASED CLUSTERING. Indonesian Journal of Statistics and Its Applications, 4(3), 419–431.
Hasanah, F., Wijayanto, H., Sumertajaya, I., & others. (2020). Pemilahan Volatilitas Harga Daging Sapi Menggunakan Metode Ensemble Empirical Mode Decomposition.
Amri, M., Sumertajaya, I., & Syafitri, U. (2020). Comparison of multinomial logistic discriminant analysis (mlgda) and classification and regression tree (cart) performance in classifying the impact of working children. Journal of Physics: Conference Series, 1490, 012033.
Wakhid, W., Rauf, A., Krisanti, M., Sumertajaya, I. M., & Maryana, N. (2020). Aquatic insect communities in headwater streams of Ciliwung River watershed, West Java, Indonesia. Biodiversitas Journal of Biological Diversity, 22(1).
Arisanti, R., Sumertajaya, I., Notodiputro, K. A., & others. (2020). Firth bias correction for estimating variance components of logistics linear mixed model using penalized quasi likelihood method. Commun. Math. Biol. Neurosci., 2020, Article-ID.
Sumertajaya, I., Aidi, M., Safitri, E., & Rahkmawati, Y. (2020). DKI Jakarta vegetable food commodity inflation modeling with tsclust approach using k-error method. Journal of Physics: Conference Series, 1567, 022072.
Nisa, C., Aidi, M. N., & Sumertajaya, I. M. (2020). KAJIAN VARIANCE MEAN RATIO PADA SIMULASI SEBARAN DATA BINOMIAL NEGATIF. Indonesian Journal of Statistics and Its Applications, 4(4), 615–626.
Novkaniza, F., Djuraidah, A., Fitrianto, A., & Sumertajaya, I. (2019). Simulation study for comparison of spatial autoregressive probit estimation methods. IOP Conference Series: Earth and Environmental Science, 299, 012030.
Pusponegoro, N. H., Djuraidah, A., Fitrianto, A., & Sumertajaya, I. M. (2019). Geo-additive Models in Small Area Estimation of Poverty. Journal of Data Science and Its Applications, 2(1), 11–18.
Muslim, A., Fitrianto, A., Sumertajaya, I. M., & Djuraidah, A. (2019). Generalized Spatial Three-Stage Least Square (GS3SLS) for Unemployment Rate and Economic Growth Modelling in East Java. IOP Conference Series: Earth and Environmental Science, 299, 012032.
Gusalinda, A., Sumertajaya, I. M., & Rahardiantoro, S. (2019). Penerapan Metode VAR-X untuk Pemodelan Data Deret Waktu dengan Calendar effects. Xplore: Journal of Statistics, 8(1).
Rochayati, I., Syafitri, U. D., Sumertajaya, I. M., & others. (2019). KAJIAN MODEL PERAMALAN KUNJUNGAN WISATAWAN MANCANEGARA DI BANDARA KUALANAMU MEDAN TANPA DAN DENGAN KOVARIAT. Indonesian Journal of Statistics and Its Applications, 3(1), 18–32.
Septiani, A., Sumertajaya, I. M., & Aidi, M. N. (2019). Vector Autoregressive X (VARX) Modeling for Indonesian Macroeconomic Indicators and Handling Different Time Variations with Cubic Spline Interpolation. Repositories-Dept. of Statistics, IPB University, 175–180.
Yulianti, D., Sumertajaya, I. M., & Sulvianti, I. D. (2018). Pemodelan Harga Beras di Pulau Sumatera dengan Menggunakan Model Generalized Space Time ARIMA. Xplore: Journal of Statistics, 2(2), 49–57.
Safitri, E., Sumertajaya, I. M., & Rizki, A. (2018). Penggerombolan Provinsi di Indonesia Berdasarkan Produktivitas Tanaman Pangan Tahun 2005-2015 Menggunakan Metode K-Error. Xplore: Journal of Statistics, 2(1), 25–32.
Munthe, A. D., Sumertajaya, I. M., & Syafitri, U. D. (2018). PENGGEROMBOLAN DESA/KELURAHAN BERDASARKAN INDIKATOR KEMISKINAN DENGAN MENERAPKAN ALGORITMA TSC DAN K-PROTOTYPES. Indonesian Journal of Statistics and Its Applications, 2(2), 63–76.
Arina, F., Wigena, A. H., Sumertajaya, I. M., & Syafitri, U. (2018). Split Plot Mixture Process Variable Experiment on Steel Slag Concrete. IOP Conference Series: Earth and Environmental Science, 187, 012049.
Oktasari, D., Aidi, M. N., & Sumertajaya, I. M. (2018). A Comparison of Univariate ARIMA and Multivariate to Estimate Absorption Pattern in Stronsium Tittanate Dop Variation.
Dewi, A. P., Sumertajaya, I. M., & Wigena, A. H. (2018). Aplikasi Structural Equation Modeling-Partial Least Squares dalam Menentukan Faktor yang Mempengaruhi Kinerja Karyawan. Xplore: Journal of Statistics, 7(3), 28–35.
Andayani, N., Sumertajaya, I. M., Ruchjana, B. N., & Aidi, M. N. (2018). Comparison of GSTARIMA and GSTARIMA-X Model by using Transfer Function Model Approach to Rice Price Data. IOP Conference Series: Earth and Environmental Science, 187, 012052.
Suhaeni, C., Sumertajaya, I. M., & Djuraidah, A. (2018). KAJIAN SIMULASI PENDUGAAN SELANG KEPERCAYAAN BOOTSTRAP BAGI ARAH MEDIAN DATA SIRKULAR. Indonesian Journal of Statistics and Its Applications, 2(1), 35–45.
Albasia, M. A. Y., Susetyo, B., & Sumertajaya, I. M. (2018). Klasifikasi Keberhasilan Melanjutkan Pendidikan Tingkat SMA Provinsi Banten Menggunakan CART dan Random Forest. Xplore: Journal of Statistics, 7(3).
Arina, F., Wigena, A. H., Sumertajaya, I. M., & Syafitri, U. (2018). Mixture Designs for Quadratic Models with Constrained Experimental Regions on Ground Granulated Blast Furnace Slag Concrete. Applied Mathematical Sciences, 12(26), 1251–1258.
Andayani, N., Sumertajaya, I. M., Ruchjana, B. N., & Aidi, M. N. (2017). Development of space time model with exogenous variable by using transfer function model approach on the rice price data. Applied Mathematical Sciences, 11(36), 1779–1792.
Setiawan, I., Sumertajaya, I. M., & Afendi, F. M. (2017). Forecasting The Broad Proportion Attack of Rice Blast Disease in Indonesia. Repositories-Dept. of Statistics, IPB University, 766–770.
Zaikarina, H., Sumertajaya, I. M., & others. (2017). EVALUASI KEPUASAN PENGGUNA JASA LABORATORIUM KIMIA PT KRAKATAU STEEL (PERSERO) TBK TAHUN 2012-2013. Indonesian Journal of Statistics and Its Applications, 1(1), 24–38.
Mubarak, F., Sumertajaya, I., & Aidi, M. N. (2017). The Best Spatial Weight Matrix Order of Radius for GSTARIMA. International Journal of Engineering and Management Research (IJEMR), 7(2), 494–497.
Andayani, N., Sumertajaya, I., Ruchjana, B. N., & Aidi, M. N. (2016). Comparison ARIMA-X and VARMA-X Model to Space Time Data: A Case Study of Rice Price in Six Provinces on Java Island. INTERNATIONAL JOURNAL OF APPLIED MATHEMATICS & STATISTICS, 55(3), 145–153.
Setyono, S., Sumertajaya, I., Kurnia, A., & Mattjik, A. (2016). KERAGAAN REGRESI LS, LAD, DAN MLAD PADA DATA DELIVERY TIME (The Performance of LS, LAD, and MLAD Regression on Delivery Time Data). JURNAL AGRONIDA, 2(1).
Suhaeni, C., Si, M., & Sumertajaya, I. M. (2015). Circular Descriptive Statistic for Describing Students Sleeping Time. Statistics, Mathematics, Teaching, and Research, 130.
Pongoh, F., Sumertajaya, I. M., & Aidi, M. N. (2015). Geographichal Weighted Regression and Mix Geographichal Weighted Regression. International Journal of Statistics and Applications, 5(1), 1–4.
Setiawan, A., Aidi, M. N., & Sumertajaya, I. M. (2015). Modelling of Forecasting Monthly Inflation by using VARIMA and GSTARIMA Models. Forum Statistika Dan Komputasi, 20.
Wijaya, F. B., & Sumertajaya, I. M. (2015). Comparison of Autoregressive (AR), Vector Autoregressive (VAR), Space Time Autoregressive (STAR), and Generalized Space Time Autoregressive (GSTAR) in Forecasting (Case: Simulation study with Autoregressive pattern). International Journal of Applied Engineering Research, 10(21), 42388–42395.
Wijayanto, H., Sumertajaya, I. M., Fitrianto, A., & Wahyuni, S. (2014). Statistical models for chili productivity. Applied Mathematical Sciences, 8(2), 69–79.
Aidi, M. N., Sumertajaya, I. M., & Yusuf, L. M. (2014). Geographical Weighted Regression with Kernel Gaussian Weighted Function in Life Expectancy Rate (Case Study: Life Expectancy Rate of Regencies/Cities in East Java Province).
Iqbal, T. A., Meranti, K. I., Sadik, K., Sumertajaya, I., & others. (2014). Pemodelan pengukuran luas panen padi nasional menggunakan Generalized Autoregressive Conditional Heteroscedastic model (GARCH).
Sumampouw, S., Aidi, M. N., & Sumertajaya, I. M. (2013). ANALISIS DISKRIMINAN LOGISTIK UNTUK KLASIFIKASI SEKOLAH STANDAR INTERNASIONAL BERDASARKAN STATUS AFILIASI. Xplore: Journal of Statistics, 1(2).
Mattjik, A., & Sumertajaya, I. (2013). Experimental Design with SAS Applications and Minitab. Bogor (ID): IPB Press.
Mattjik, A., & Sumertajaya, I. (2013). Design of Experiments with Applications of SAS and Minitab. Bogor (ID): IPB Press.
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