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We begin with some simple questions. What is the distribution of the product of given powers of independent continuous uniform random variables? Is this distribution useful? Are there some test statistics with this distribution? Is this distribution somehow related to the distribution of the product of other random variables? Is this distribution already(More)
Improved myocardium-blood contrast by myocardial suppression resulting from T1 rho-weighting in contrast-enhanced, gradient-echo, bright-blood cine images, acquired at 1.5T, is shown. In the standard images, blood has twice the intensity of muscle. In similar T1 rho-weighted images, it has 3-4 times the intensity of muscle. A composite spin-lock pulse(More)
Dedication This article is written for Ingram Olkin on the occasion of his 80th birthday. Ingram has provided inspiration for me over the last 40 years and continues to inspire. I am indebted to him for his encouragement and support throughout my career. I am contributing this humbly in the sure knowledge that he could have written it better than I.(More)
Observations on axes which lack information on the direction of propagation are referred to as axial data. Such data are often encountered in enviromental sciences, e.g. observations on propagations of cracks or on faults in mining walls. Even though such observations are recorded as angles, circular probability models are inappropriate for such data since(More)
Directional data (DD) generally refer to data on angular propagations or displacements, orientations, directional movements, etc. Periodic data, such as those recorded on hour of the day, day of the week, etc. can be viewed as and are also cast in the arena of DD through transformations to representative angles. The DD are encountered in all areas of(More)
Patient safety is a key concern for pharmaceutical companies. The external environment and regulatory requirements have changed considerably over recent years. Risk management planning is becoming increasingly important, partly because of a number of high profile safety issues that have led to the withdrawal of marketed products. Openness, accountability(More)