Robbins (1968) considered the problem of estimating the total probability of the unobserved outcomes of an experiment. In this paper we suggest an estimator, based on n trials, and show that under ...
The problem of estimating the variance of the ratio estimator in sampling with probability proportional to aggregate size is investigated. The form of nonnegative unbiased variance estimators is found ...
In this paper, we propose Vasicek-type models for estimating portfolio-level probability of default (PD). With these Vasicek models, asset correlation and long-run PD (LRPD) for a risk-homogeneous ...
Pramote Cholayudth, [email protected], is the founder and manager of PM Consult. He is an industrial pharmacist with more than 40 years of experience. He is a guest speaker on process validation ...
Pramote Cholayudth is an industrial pharmacist with more than 40 years of experiences. He is a guest speaker on Process Validation to industrial pharmaceutical scientists organized by Thailand’s FDA.
Phylogenetic trees can improve the power of comparative sequence analyses by placing raw sequence differences into their historical context — offering an understanding of how the sequences that we see ...
Insurance can effectively mitigate significant operational risks. However, not all losses are insurable, and payments of covered losses are not generally reimbursed in full for reasons including the ...
New research found that infants have better math skills than previously suspected. From the age of six months, babies can calculate probability and estimate risk. Research from the Max Planck ...
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