Procedures of generating a true clean data in simple mediation analysis
Simulation study is very important in model validation. It is invaluable and versatile tool especially in statistical problems and modeling where analytical technique is inadequate. In fitting to a model, problems will raise when there exists one or more high-leverage points in the data set. Due to...
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| Format: | Article |
| Language: | English |
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IDOSI Publications
2011
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| Online Access: | http://psasir.upm.edu.my/id/eprint/25294/ http://psasir.upm.edu.my/id/eprint/25294/1/Procedures%20of%20generating%20a%20true%20clean%20data%20in%20simple%20mediation%20analysis.pdf |
| _version_ | 1848845270223159296 |
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| author | Fitrianto, Anwar Midi, Habshah |
| author_facet | Fitrianto, Anwar Midi, Habshah |
| author_sort | Fitrianto, Anwar |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Simulation study is very important in model validation. It is invaluable and versatile tool especially in statistical problems and modeling where analytical technique is inadequate. In fitting to a model, problems will raise when there exists one or more high-leverage points in the data set. Due to the fact that the presence high-leverage points are commonly occurred in models fitting, we propose a new algorithm in mediation analysis which guarantees clean data set without any high-leverage points. The new proposed algorithm employs the newly proposed Modified Diagnostic-Robust Generalized Potentials. By incorporating ModDRGP in the proposed algorithm has rectified the problem of having high leverage points in the generated clean data set, especially for mediation models. We found that in 10000 simulation runs, only about 31.14% of the cleangenerated dataset were obtained by direct simulation. The results also reveal that as the sample size increases, the percentage of obtaining direct clean dataset decreases. |
| first_indexed | 2025-11-15T08:44:09Z |
| format | Article |
| id | upm-25294 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T08:44:09Z |
| publishDate | 2011 |
| publisher | IDOSI Publications |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-252942020-06-09T02:19:50Z http://psasir.upm.edu.my/id/eprint/25294/ Procedures of generating a true clean data in simple mediation analysis Fitrianto, Anwar Midi, Habshah Simulation study is very important in model validation. It is invaluable and versatile tool especially in statistical problems and modeling where analytical technique is inadequate. In fitting to a model, problems will raise when there exists one or more high-leverage points in the data set. Due to the fact that the presence high-leverage points are commonly occurred in models fitting, we propose a new algorithm in mediation analysis which guarantees clean data set without any high-leverage points. The new proposed algorithm employs the newly proposed Modified Diagnostic-Robust Generalized Potentials. By incorporating ModDRGP in the proposed algorithm has rectified the problem of having high leverage points in the generated clean data set, especially for mediation models. We found that in 10000 simulation runs, only about 31.14% of the cleangenerated dataset were obtained by direct simulation. The results also reveal that as the sample size increases, the percentage of obtaining direct clean dataset decreases. IDOSI Publications 2011 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/25294/1/Procedures%20of%20generating%20a%20true%20clean%20data%20in%20simple%20mediation%20analysis.pdf Fitrianto, Anwar and Midi, Habshah (2011) Procedures of generating a true clean data in simple mediation analysis. World Applied Sciences Journal, 15 (7). pp. 1046-1053. ISSN 1818-4952; ESSN: 1991-6426 https://www.idosi.org/wasj/wasj15(7)2011.htm |
| spellingShingle | Fitrianto, Anwar Midi, Habshah Procedures of generating a true clean data in simple mediation analysis |
| title | Procedures of generating a true clean data in simple mediation analysis |
| title_full | Procedures of generating a true clean data in simple mediation analysis |
| title_fullStr | Procedures of generating a true clean data in simple mediation analysis |
| title_full_unstemmed | Procedures of generating a true clean data in simple mediation analysis |
| title_short | Procedures of generating a true clean data in simple mediation analysis |
| title_sort | procedures of generating a true clean data in simple mediation analysis |
| url | http://psasir.upm.edu.my/id/eprint/25294/ http://psasir.upm.edu.my/id/eprint/25294/ http://psasir.upm.edu.my/id/eprint/25294/1/Procedures%20of%20generating%20a%20true%20clean%20data%20in%20simple%20mediation%20analysis.pdf |