We consider the model where φ1, φ2 are real coefficients, not necessarily equal, and the at,'s
are a sequence of iid random variables with mean 0. Necessary and sufficient conditions …

Vocal education programs for teachers may prevent the emergence of vocal disorders; however,
only a few studies have tried to evaluate the effectiveness of these preventive programs…

We consider the model Zt = φ (0, k)+ φ(1, k)Zt–1 + at (k) whenever rk−1<Zt−1≦rk, 1≦k≦l,
with r0 = –∞ and rl =∞. Here {φ (i, k); i = 0, 1; 1≦k≦l} is a sequence of real constants, not …

It is believed that atherosclerotic plaque rupture may be related to maximal stress conditions
in the plaque. More careful examination of stress distributions in plaques reveals that it may …

A portmanteau test to detect self-exciting threshold autoregressive-type nonlinearity in time
series data is proposed. The test is based on cumulative sums of standardized residuals from …

This document contains detailed instructions of how to use SAS to do the kinds of analyses
documented in the text Applied Statistics for Engineers and Scientists. Each of the first fifteen …

Background Sprague-Dawley rats were used as an acute cisplatin ototoxicity model to
compare the chemo-protective efficacy of 2 sulphur-containing antioxidants (D-methionine, NL-…

Anesthesia effects on otoacoustic emission (OAE) recordings were evaluated in a group of
72 Sprague–Dawley rats (mean weight 225±20 gr). Two anesthesia dosages (high and …

This paper explores best choice problems which allow both recall of applicants and uncertainty
of a current applicant accepting an offer of employment. Properties of optimal selection …

… Thus, for example, in Petruccelli and Woolford (1984) and Chan, Petruccelli, Tong and
Woolford (1985) the region of … We will assume that the process is ergodic (see Petruccelli and …