On discordance test for the wrapped normal data
This paper focuses on detecting outliers in the circular data which follow the wrapped normal distribution. We considered four discordance tests based on M, C, D and A statistics. The cut-off points of the four tests were obtained and the performance of the detection procedures was studied via simul...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universiti Kebangsaan Malaysia
2012
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| Online Access: | http://journalarticle.ukm.my/4865/ http://journalarticle.ukm.my/4865/1/15%2520Adzhar.pdf |
| _version_ | 1848810659305750528 |
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| author | Adzhar Rambli, Ibrahim Mohamed, Abdul Ghapor Hussin, Safwati Ibrahim, |
| author_facet | Adzhar Rambli, Ibrahim Mohamed, Abdul Ghapor Hussin, Safwati Ibrahim, |
| author_sort | Adzhar Rambli, |
| building | UKM Institutional Repository |
| collection | Online Access |
| description | This paper focuses on detecting outliers in the circular data which follow the wrapped normal distribution. We considered four discordance tests based on M, C, D and A statistics. The cut-off points of the four tests were obtained and the performance of the detection procedures was studied via simulations. In general, we showed that the discordance test based on the A statistic outperforms the other tests in all cases. For illustration, the city of Kuantan wind direction data set was considered. |
| first_indexed | 2025-11-14T23:34:01Z |
| format | Article |
| id | oai:generic.eprints.org:4865 |
| institution | Universiti Kebangasaan Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T23:34:01Z |
| publishDate | 2012 |
| publisher | Universiti Kebangsaan Malaysia |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | oai:generic.eprints.org:48652016-12-14T06:37:09Z http://journalarticle.ukm.my/4865/ On discordance test for the wrapped normal data Adzhar Rambli, Ibrahim Mohamed, Abdul Ghapor Hussin, Safwati Ibrahim, This paper focuses on detecting outliers in the circular data which follow the wrapped normal distribution. We considered four discordance tests based on M, C, D and A statistics. The cut-off points of the four tests were obtained and the performance of the detection procedures was studied via simulations. In general, we showed that the discordance test based on the A statistic outperforms the other tests in all cases. For illustration, the city of Kuantan wind direction data set was considered. Universiti Kebangsaan Malaysia 2012-06 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/4865/1/15%2520Adzhar.pdf Adzhar Rambli, and Ibrahim Mohamed, and Abdul Ghapor Hussin, and Safwati Ibrahim, (2012) On discordance test for the wrapped normal data. Sains Malaysiana, 41 (6). pp. 769-778. ISSN 0126-6039 http://www.ukm.my/jsm/contents.html |
| spellingShingle | Adzhar Rambli, Ibrahim Mohamed, Abdul Ghapor Hussin, Safwati Ibrahim, On discordance test for the wrapped normal data |
| title | On discordance test for the wrapped normal data |
| title_full | On discordance test for the wrapped normal data |
| title_fullStr | On discordance test for the wrapped normal data |
| title_full_unstemmed | On discordance test for the wrapped normal data |
| title_short | On discordance test for the wrapped normal data |
| title_sort | on discordance test for the wrapped normal data |
| url | http://journalarticle.ukm.my/4865/ http://journalarticle.ukm.my/4865/ http://journalarticle.ukm.my/4865/1/15%2520Adzhar.pdf |