12 articles in this issue
Baiq Diah Fitasari, Sri Haryatmi, Zulaela Zulaela
Approaches that are used to estimate the regression function are parametric regression model approaching and nonparametric regression model approaching. Semiparametric regression is association of parametric regression and nonparametric regression. Semipa... see more
Burhanudin Burhanudin
One of the biggest problem on soybean production in Indonesia is low it's productivity (1,174 tons/ha). Indonesia is one of the biggest soybean import country from overseas 1,7 million tons in year of 2013. There are a number of factors causing low produc... see more
Dewi Wulandari, Ali Shodiqin, Aurora Nur Aini
Multilevel data are data that are nested within the other data which are in the higher level. As an example is students are nested in the classes. The student is the level-1 variable and the class is the level-2 variable. Multilevel data are not restricte... see more
Melisa Melisa
The four-number game starts from 4-tuple (a; b; c; d) of nonnegative numbers a, b, c, d. In this game, the next 4-tuple is (|a-b|; |b-c|; |c-d|; |d-a|) and similar rule of changes of the subsequent 4-tuples is imposed until the game reaches the zero 4-tup... see more
Novita Eka Chandra, Sarinem Sarinem
Ebola virus can cause death. The spread number of cases of this virus is very rapidly, especially in the Guinea of West Africa. Based on the past data, the spread number of cases of ebola virus can be predicted by the method of time series namely ARIMA me... see more
Novita Eka Chandra, Wiwin Kusniati
Power method is a method of iterations to nd the eigenvalues in the matrix. Based on previous research has been conducted to nd of application thepower method eigenvalues in the matrix. However, in these studies is limited to real eigenvalues . In this st... see more
Shofwan Ali Fauji, Mohammad Syaiful Pradana, Niken Ayu Azhari
Email password is highly condential, that the email password can not be seen by other people then the encryption with the science of cryptography. To avoid unwanted things on the email password, the authors will examine and discuss about cryptography or e... see more
Siti Alfiatur Rohmaniah, Danardono Danardono
There are some consequences that occur because of diarrhea such as low levels of hemoglobin, weight loss, and dehydration. Severe dehydration can lead to death. This study aims to model the time cured of diarrhea on infants used the Cox regression method ... see more
Siti Amiroch, Evi Eka Andini
A balanced diet encourage the creation of eating behavior that optimizes the intake and absorption of nutrients by consuming healthy foods corresponding proportion in each serving. To realize the diet required a proper diet plan and balanced with a method... see more
Tony Yulianto, Kuzairi Kuzairi, Riyatun Hasanah
Modelling the math frequently encountered in everyday life , many things that can be modeled by mathematical modeling , one of which is the modeling of the disease. One of the diseases thoth can be modeled is liver cancer. Liver cancer is very much experi... see more
Baiq Santi Rengganis
Food is a main human need, fulfillment of food needs is be a basic component of national development. This research purposes are to analyze food availability for household level in West Lombok Regency, know access of dry land community to get food, to kno... see more
Mohammad Syaiful Pradana, Lutvia Muniroh
The flow of water beneath the earth's surface flows through the pores like rocks and other porous media that can be flooded by water. In the soil, water flows due to the difference in hydraulic height that is the difference from ground water level. Ground... see more