Browsing by Subject "Experimental"
Now showing items 1-10 of 10
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Accuracy and cut-off point selection in three-class classification problems using a generalization of the Youden index
(2010)We study properties of the index J(3), defined as the accuracy, or the maximum correct classification, for a given three class classification problem Specifically, using J(3) one can assess the discrimination between the ... -
An approach for modelling multiple correlated outcomes in a network of interventions using odds ratios
(2014)A multivariate meta-analysis of two or more correlated outcomes is expected to improve precision compared with a series of independent, univariate meta-analyses especially when there are studies reporting some but not all ... -
A comparison of tests for restricted orderings in the three-class case
(2009)A variety of methods for comparing three distributions have been proposed in the literature. These methods assess the same null hypothesis of equal distributions but differ in the alternative hypothesis they consider. The ... -
Considerations on what constitutes a 'qualified statistician' in regulatory guidelines
(2012)International regulatory guidelines require that a qualified statistician takes responsibility for the statistical aspects of a clinical trial used for drug licensing. No consensus on what constitutes a qualified statistician ... -
Experimental investigation of jet pulse control on flexible vibrating structures
(2016)The feasibility of applying on-line fluid jet pulses to actively control the vibrations of flexible structures subjected to harmonic and earthquake-like base excitations provided by a shake table is explored. The operating ... -
EXPERIMENTAL RESEARCH ON IMPROVEMENT OF THE DUCTILITY OF R/C SEISMIC WALLS THROUGH SLIP PREVENTION WITH THE USE OF STEEL RHS
(2022)Several researchers propose placing diagonal reinforcing bars at the base of the wall to treat the shear slip, while others have suggested various ways to address this problem associated with halting the effects incurred ... -
Low levels of p27 in association with deregulated p53-pRb protein status enhance tumor proliferation and chromosomal instability in non-small cell lung carcinomas
(2001)Background: Down-regulation or overexpression of the cyclin-dependent kinase inhibitor p27 have been observed in a range of malignancies, including lung cancer. To further elucidate the role of the molecule in tumor growth ... -
MAGNETIC RESONANCE IMAGING FEATURES OF CEREBELLAR VERMIS MEDULLOBLASTOMA IN AN ADULT CANINE PATIENT
(2014)A seven-year-old, not-castrated male, Airedale Terrier presented with a history of ataxia and intention tremor of the head of three-week duration. Neurologic examination demonstrated severe hypermetria, intention tremor ... -
On the covariance of two correlated log-odds ratios
(2012)In many applications two correlated estimates of an effect size need to be considered simultaneously to be combined or compared. Apparently, there is a need for calculating their covariance, which however requires access ...
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