Back in Time, Back to the Future: Aging and Rejuvenation

Back to the Future: Modeling Time Dependence in Binary Data

Since Beck, Katz, and Tucker (1998), the standard method for modeling time dependence in binary data has been to incorporate time dummies or splined time in logistic regressions. Although we agree with the need for modeling time dependence, we demonstrate that time dummies can induce estimation problems due to separation. Splines do not suffer from these problems. However, the complexity of spl...

Zambia : Back to the future ?

Back to the Evolutionary Future

Many books on evolution focus on the distant past or the present. Very few authors addressing a lay audience present what evolutionary changes may look like in the future. Coker has done so in this popular science book intended for a general audience. Basing the text on his similarly named course given at Elon University, the author provides a fascinating account of diverse aspects of evolution...

Perimetry--back to the future?

What does the future hold for the patient with glaucoma? Years and years of repetitive strain injury caused by peri-metric testing, or relief following its replacement by other simpler and less demanding tests? A recent editorial in this journal has drawn attention to these problems,' and applauded the attempt to lessen patient discomfort by shortening the duration of the test.2 It raises the q...

Back to the Future Once ∗

The purpose of this chapter is to update the paper ”Back to the Future – The Story of Squeak, a Practical Smalltalk Written in Itself” (hereinafter simply ”BTF”). As such, the bulk of the text follows the structure of that paper, with comments and new data presented in a parallel sequence. However, a mere update of Squeak’s features and performance would not give a sense of the various forces, ...