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sla: Two-Group Straight Line ANCOVA
Provides directly interpretable estimated coefficients for four models in connection with the two-group straight line ANCOVA problem: (A) the full model, which requires the fitting of two intercepts and two slopes; (B) a reduced model, which requires the fitting of a single intercept and single slope; (C) a reduced model, which requires the fitting of two separate intercepts and a single, common slope; and (D) a reduced model, which requires the fitting of a single, common intercept and two separate slopes. The summary function provides tests of fit for the (null) hypotheses of: (1) equivalent data sets, (2) equivalent slopes, and (3) equivalent intercepts.
Getting started
Browse package contents
Package details |
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| Author | W. Gregory Alvord [aut, cre], Nick Carchedi [aut] |
| Maintainer | W. Gregory Alvord <greg.alvord@nih.gov> |
| License | GPL-2 |
| Version | 0.1 |
| Package repository | View on CRAN |
| Installation |
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