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  1. KRISHI Publication and Data Inventory Repository
  2. Agricultural Education A1
  3. ICAR-Indian Agricultural Statistics Research Institute B7
  4. AEdu-IASRI-Publication
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Please use this identifier to cite or link to this item: http://krishi.icar.gov.in/jspui/handle/123456789/5930
Title: A-efficient block designs for symmetric parallel line assays.
Other Titles: Not Available
Authors: R. Srivastava
Rajender Parsad
Amitava Dey
V.K. Gupta
ICAR Data Use Licennce: http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf
Author's Affiliated institute: ICAR::Indian Agricultural Statistics Research Institute
Published/ Complete Date: 2007
Project Code: Not Available
Keywords: Parallel line assays
A-optimality
Estimability
Incomplete block design
Publisher: University of Winnipeg, Manitoba
Citation: R. Srivastava, Rajender Parsad, Amitava Dey and V.K. Gupta (2007). A-efficient block designs for symmetric parallel line assays. Utilitas Mathematica, 73, 239-253.
Series/Report no.: Not Available;
Abstract/Description: A-efficient block designs are obtained for symmetric parallel line assays. These designs ensure estimability of all the three important contrasts, namely preparation, combined regression and parallelism. Two general methods of construction are given. The first follows on the lines of Chai, Das and Dey (2001) and the second utilizes disconnected block designs. The designs obtained from the first method may not always be A-optimal even for the estimation of preparation and combined regression contrasts, but are more efficient for estimation of all the three important contrasts than the designs given by Chai, Das and Dey (2001). A catalogue of 41 A-efficient block design 3<=m<= 6, 4 <= k<=10, bk <= 50 is given, where m denotes the number of doses for standard and test preparations, k is the block size and b the number of blocks. The disconnected block designs obtained in this investigation are A-optimal for estimation of all three contrasts of interest. A catalogue of 28 such designs 3<=m<= 6, k = 4, bk<=50 is also included.
Description: Not Available
ISSN: Not Available
Type(s) of content: Research Paper
Sponsors: Not Available
Language: English
Name of Journal: Utilitas Mathematica
NAAS Rating: 6.29
Volume No.: 73
Page Number: 239-253
Name of the Division/Regional Station: Not Available
Source, DOI or any other URL: Not Available
URI: http://krishi.icar.gov.in/jspui/handle/123456789/5930
Appears in Collections:AEdu-IASRI-Publication

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