Simultaneous comparisons of the variances of k treatments with that of a control: a Levene-Dunnett type procedure
Fuente:
arXiv
Saved in:
| Main Author: | |
|---|---|
| Format: | Preprint |
| Published: |
2024
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866910491697217536 |
|---|---|
| author | Hothorn, Ludwig A. |
| author_facet | Hothorn, Ludwig A. |
| contents | There are some global tests for heterogeneity of variance in k-sample one-way layouts, but few consider pairwise comparisons between treatment levels. For experimental designs with a control, comparisons of the variances between the treatment levels and the control are of interest - in analogy to the location parameter with the Dunnett (1955) procedure. Such a many-to-one approach for variances is proposed using the Levene transformation, a kind of residuals. Its properties are characterized with simulation studies and corresponding data examples are evaluated with R code. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_11892 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Simultaneous comparisons of the variances of k treatments with that of a control: a Levene-Dunnett type procedure Hothorn, Ludwig A. Methodology There are some global tests for heterogeneity of variance in k-sample one-way layouts, but few consider pairwise comparisons between treatment levels. For experimental designs with a control, comparisons of the variances between the treatment levels and the control are of interest - in analogy to the location parameter with the Dunnett (1955) procedure. Such a many-to-one approach for variances is proposed using the Levene transformation, a kind of residuals. Its properties are characterized with simulation studies and corresponding data examples are evaluated with R code. |
| title | Simultaneous comparisons of the variances of k treatments with that of a control: a Levene-Dunnett type procedure |
| topic | Methodology |
| url | https://arxiv.org/abs/2406.11892 |