Judul: Bogor agricultural university student’s characteristics based on their national examination score and gpa
Abstrak: National examination (un) has been established as a standard to pass high school since 2002 compentency during high school. It indicated an assumption that good un score would provide good achievement in college as well. Student’s achievement at university is indicated by gpa (grade point average). Theoretically, un score and gpa should have high positive correlation. However, this is not automatically true. In 2010, more than 30% student who had high un score got gpa tpb less than 2.50. This percentage tends to decrease in 2011 and 2012. By using pearson correlation test, there was a significance correlation between un score and gpa tpb even the coefficient was weak and positif. Based on multiple correspondence analysis in the last three yearswith a purpose to improve the quality of education in indonesia and measure student’s, characteristics of student who had high un score and high gpa tpb were from faculty fateta, fmipa, fem, and fema, from department with high popularity level such as itp, stk, agb, ilkom, gizi, tin, sil, and eksyar, and came from banten, dki jakarta, and west java. Whereas the characteristics students who had high un score but got low gpa tpb were from veterinary faculty, enrolled ipb through utmi, and had higher education and higher income family background.
Keyword: gpa, multiple correspondence analysis, un score

Judul: Identification of Affecting Factors on the GPA of First Year Students at Bogor Agricultural University Using Random Forest
Abstrak: Academically, the success of a student can be demonstrated by Grade Point Average (GPA). The performance of a student can be seen from the academic achievements, potential and motivation from themselves. Success in obtaining a high GPA can not be separated from the factors that affect the intellectual factor (the score of final examination in high school) and non-intellectual factors (gender, enrollment scheme to university, age when enrolled to university, senior high school status, etc). The data used for this research is the secondary data obtained from Student Affairs Directorate Bogor Agricultural University. Random forest method is an ensemble classifier using many decisions tree models. It can be used for classification or regression. This research is aimed to determine the size of the random forest and sample size of the explanatory variables that produces random forest with high prediction accuracy and stability that can identify the most important influential factors in student's academic achievements (GPA). High accuracy and stability can be obtained if size of the explanatory variable (m) and the size of the random forest (k) is determined by the right value. The values of m used in this study are 3, 4, 5 and 6. The values of k used in this study are 100, 500 and 1000. The smallest misclassification rate is at m = 4 and k = 100 with misclassification rate is 39.36%. Optimum random forest trees is used to get the best identifier variables. The most influential variable of the GPA of student at Bogor Agricultural University in the first year study by ranking criteria used Mean Decrease Gini (MDG) value of random forest.
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Judul: Infeksi Cacing Jantung Dirofilaria Immitis, Railliet & Henry, 1911 Pada Anjing
Abstrak: Cacing Dirofilaria immitis dewasa yang tinggal dalm ventrikel kanan jantung anjing, sering kali menimbulkan gejala klinis yang cukup berat. Cacing Tersebut menghasilkan mikrofilaria yang selanjutnya berkembang menjadi larva infektif dalam saluran malphigi induk semang entara, yaitu nyamuk dari genus Culex, Aedes dan Anopheles.
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