scholarly journals On-Line Selection ofc-Alternating Subsequences from a Random Sample

2013 ◽  
Vol 2013 ◽  
pp. 1-5
Author(s):  
Robert W. Chen ◽  
Larry A. Shepp ◽  
Justín Ju-Chen Yang
Keyword(s):  
Sample Size ◽  
Random Sample ◽  
Optimal Selection ◽  
Nonnegative Constant ◽  
On Line ◽  
Line Selection

A sequence is a -alternating sequence if any odd term is less than or equal to the next even term and the any even term is greater than or equal to the next odd term , where is a nonnegative constant. In this paper, we present an optimal on-line procedure to select a -alternating subsequence from a symmetric distributed random sample. We also give the optimal selection rate when the sample size goes to infinity.

scholarly journals On-line selection of an acceptable pair

2006 ◽  
Vol 43 (3) ◽  
pp. 729-740 ◽  
Author(s):  
J. Preater
Keyword(s):  
Prior Knowledge ◽  
Optimal Selection ◽  
Heuristic Rule ◽  
Selection Rules ◽  
On Line ◽  
Line Selection ◽  
Independent Identically Distributed ◽  
Selection Of

A sequence of objects with independent, identically distributed qualities is presented to a selector who must choose two on-line, i.e. without anticipation or recall. The selector's aim is to obtain a satisfactory pair as quickly as possible. Two versions of the problem are considered, and optimal selection rules are derived and compared. An investigation is also made of a heuristic rule suitable for a selector who has no prior knowledge of the nature of the object sequence.

scholarly journals On-line selection of an acceptable pair

2006 ◽  
Vol 43 (03) ◽  
pp. 729-740
Author(s):  
J. Preater
Keyword(s):  
Prior Knowledge ◽  
Optimal Selection ◽  
Heuristic Rule ◽  
Selection Rules ◽  
On Line ◽  
Line Selection ◽  
Independent Identically Distributed ◽  
Selection Of

A sequence of objects with independent, identically distributed qualities is presented to a selector who must choose two on-line, i.e. without anticipation or recall. The selector's aim is to obtain a satisfactory pair as quickly as possible. Two versions of the problem are considered, and optimal selection rules are derived and compared. An investigation is also made of a heuristic rule suitable for a selector who has no prior knowledge of the nature of the object sequence.

On-line selection of rough machining parameters

2004 ◽  
Vol 149 (1-3) ◽  
pp. 256-262 ◽  
Author(s):  
Joško Valentinčič ◽  
Mihael Junkar
Keyword(s):  
Machining Parameters ◽  
Rough Machining ◽  
On Line ◽  
Line Selection ◽  
Selection Of

The Significance of Random Sample Size in Flow-Through Photometric Prescreening in Cervical Cytology

1976 ◽  
Vol 157 (2) ◽  
pp. 142-146 ◽  
Author(s):  
E. Sprenger ◽  
M. Schaden ◽  
D. Wagner ◽  
W. Sandritter
Keyword(s):  
Sample Size ◽  
Random Sample ◽  
Cervical Cytology ◽  
Random Sample Size ◽  
Flow Through

Limit theorems for extremes with random sample size

1998 ◽  
Vol 30 (03) ◽  
pp. 777-806 ◽  
Author(s):  
Dmitrii S. Silvestrov ◽  
Jozef L. Teugels
Keyword(s):  
Weak Convergence ◽  
Sample Size ◽  
Random Sample ◽  
Limit Theorems ◽  
Functional Limit ◽  
Functional Limit Theorems ◽  
Random Sample Size ◽  
Extremal Processes ◽  
Convergence Type

This paper is devoted to the investigation of limit theorems for extremes with random sample size under general dependence-independence conditions for samples and random sample size indexes. Limit theorems of weak convergence type are obtained as well as functional limit theorems for extremal processes with random sample size indexes.

scholarly journals Testing for the significance of changes in television ratings

1990 ◽  
Vol 21 (3) ◽  
pp. 47-51
Author(s):  
Denny H. Meyer
Keyword(s):  
Sample Size ◽  
South African ◽  
Random Sample ◽  
Reliable Estimate ◽  
Effective Sample Size ◽  
Actual Sample ◽  
Rating Change ◽  
Television Ratings

South African television ratings are obtained from the AMPS meter panel. This panel must be viewed as a complex non random sample. For such samples the effective sample size differs from the actual sample size. It has been found that, when equal weights are assigned to strata, the most reliable estimate for effective sample size can be obtained by considering every household as a sample cluster. This estimate of effective sample size can be incorporated directly into a test for significant rating change. For convenience this test is implemented graphically.

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