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음이항분포 정보를 가진 베이지안 소프트웨어 신뢰도 성장모형에 관한 연구
김희철,박종구,이병수,Kim, Hui-Cheol,Park, Jong-Gu,Lee, Byeong-Su 한국정보처리학회 2000 정보처리논문지 Vol.7 No.3
Software reliability growth models are used in testing stages of software development to model the error content and time intervals betwewn software failures. In this paper, using priors for the number of fault with the negative binomial distribution nd the error rate with gamma distribution, Bayesian inference and model selection method for Jelinski-Moranda and Goel-Okumoto and Schick-Wolverton models in software reliability. For model selection, we explored the sum of the relative error, Braun statistic and median variation. In Bayesian computation process, we could avoid the multiple integration by the use of Gibbs sampling, which is a kind of Markov Chain Monte Carolo method to compute the posterior distribution. Using simulated data, Bayesian inference and model selection is studied.
독활기생탕(獨活寄生湯)이 백서(白鼠)의 혈액(血液)에 미치는 영향(影響)
김희철,Kim, Hui-Cheol 대한한방내과학회 1995 大韓韓方內科學會誌 Vol.16 No.2
In order to study the effect of Dokwhalgisaentang on the blood in normal rats with Dokwhalgisaentang extract solution was adminstrated in rats. The rats carried on every day for 5days, l0days and 15days respecitively on the corresponding blood in rats, and thereafter the contents of serum BUN, creatinine, creatine, total protein, albumin, total bilirubin, cholesterol were measured in rats. The following results have been obtained : 1. Dokwhalgisaentang extract decreased the serum BUN significantly in rats. 2. Dokwhalgisaentang extract decreased the serum creatine significantly in rats. 3. Dokwhalgisaentang extract decreased the serum creatinine significantly in rats. 4. Dokwhalgisaentang extract decreased the serum total protein significantly in rats. 5. Dokwhalgisaentang extract decreased the serum albumin significantly in rats. 6. Dokwhalgisaentang extract increased the serum total bilirubin significantly in rats. 7. Dokwhalgisaentang extract decreased the serum cholresterol significantly in rats.