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Robustness of Neighbour Balanced Complete Block Designs for Correlated Observations

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Title Robustness of Neighbour Balanced Complete Block Designs for Correlated Observations
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Creator Seema Jaggi
Jintender Singh Tomar
 
Subject Neighbour balanced block design
correlated observations
autoregressive
nearest neighbor
A-efficiency
robustness
 
Description Not Available
Neighbour balanced designs, permitting the estimation of direct and neighbor effects of treatments, are used when the treatment applied to the experimental plot may also affect the response on neighbouring plots. The assumption in the classical neighbor balanced block design is that the fertility associated with plots in a block is constant. However, the observations in a block may be mutually dependent on correlated through some systematic pattern of environmental variations. In this article, t he performance of neighbor balanced complete block designs has been investigated when the observations within a block are correlated. The A-efficiency for direct and neighbor effects of the treatments under autoregressive and nearest neighbor correlation structure is computed and tabulated for some cases. It is observed that efficiency is quite high and it is concluded that the designs a e robust under correlated observations with loss of efficiency being small.
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Date 2017-06-06T10:03:03Z
2017-06-06T10:03:03Z
2005-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/4291
 
Language English
 
Relation Not Available;
 
Publisher Not Available