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http://krishi.icar.gov.in/jspui/handle/123456789/14396
Title: | ROTATABLE RESPONSE SURFACE DESIGNS IN THE PRESENCE OF DIFFERENTIAL NEIGHBOUR EFFECTS FROM ADJOINING EXPERIMENTAL UNITS |
Other Titles: | Not Available |
Authors: | Eldho Varghese Seema Jaggi V. K. Sharma |
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: | 2015-01-01 |
Project Code: | Not Available |
Keywords: | Response surface Differential neighbour effects Or- thogonal estimation FORDDNE SORDDNE |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | In RSM, it is generally assumed that the observations are in- dependent and there is no overlap e®ects from the neighbouring units. But in situations where the units are placed linearly side by side, there is a chance to have overlap e®ects/neighbour e®ects from the adjoining experiments units. For example, in ¯eld experiments if a chemical spray is applied to one plot, it may spread over to the nearby plots due to wind. Hence, the response from a particular plot may be a®ected by e®ects from the adjacent plots and this e®ect has to be included in the model while ¯tting RSM. In this paper, ¯rst and second order response surface models with di®erential e®ects from adjoining left and right neighbouring units has been considered and the con- ditions for the model with di®erential neighbour e®ects to be rotatable have been obtained. Method of obtaining designs satisfying the derived conditions has been described. An illustration to show the impact of including neigh- bour e®ects in the model on the parameter estimates has also been given using a simulated data set. These designs result in more precise estimates of the parameters of the response surface model. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Calcutta Statistical Association Bulletin Vol. |
NAAS Rating: | Not Available |
Volume No.: | 67 |
Page Number: | 267-268 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/14396 |
Appears in Collections: | AEdu-IASRI-Publication |
Files in This Item:
File | Description | Size | Format | |
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95. Seema.CSAB.pdf | 244.79 kB | Adobe PDF | View/Open |
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