Attrition of sample members from a longitudinal survey can undermine the quality of the data and its research potential, especially when the sample members who drop out are different from those who do not.People who move house are more likely to drop out of the survey as they are harder to locate, and once located, may be harder to interview in the
Content-Aware Scalability-Type Selection for Rate Adaptation of Scalable Video
Scalable video coders provide different scaling options, such as temporal, spatial, and SNR scalabilities, where rate reduction by discarding enhancement layers of different scalability-type results 6.07 in different kinds and/or levels of visual distortion depend on the content and bitrate.This dependency between scalability type, video content, a
A brief note from Pakistan: reflections from a British psychiatrist
A British general adult psychiatrist born and trained in the UK, who also considers himself Pakistani, had the CLASSIC SHAMPOO ONE AND THE CONDITIONER opportunity to spend 2 weeks running a psychiatric clinic in a remote hospital in the Punjab province of Pakistan.In this article he offers some reflections on the unexpected culture shock he felt, o
Behavior of passive admixture in a vortical hydrodynamic field
The motion of passive admixture of spherical particles in the stationary hydrodynamic field CLASSIC SHAMPOO ONE AND THE CONDITIONER of a swirling flow is studied.A spherical particle of a given mass in the hydrodynamic field of a swirling flow is located on a certain circular orbit, where the centrifugal force is compensated by the radial drag forc