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On a robustness property of PBIBD |
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| Authors: | S Ghosh SB Rao NM Singhi |
| Institution: | Indian Statistical Institute, Calcutta, India;Tata Institute of Fundamental Research, Bombay, India |
| Abstract: | In this paper we study a robustness property of partially balanced incomplete block designs based on association schemes with m classes (PBIBD(m)) against the unavailability of data in the sense that, when any t (a positive integer) observations are unavailable the design remains connected w.r.t. treatment. We characterize the robustness property of PBIBD(m) completely for m=2 and partially for m=3. |
| Keywords: | Primary and Secondary 62K10 06B05 Association graphs Partially balanced incomplete block design Robust designs Unavailable data |
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