MULTIVARIATE ANALYSIS OF REPEATED MEASURES DATA

  • Vinod Kumar Deptt. of Mathematics, Statistics & Computer Science, G.B. Pant Univ. of Agri. & Tech., Pantnagar, India
  • Gaurav Shukla Deptt. of Mathematics, Statistics & Computer Science, G.B. Pant Univ. of Agri. & Tech., Pantnagar, India
  • Prachi Mehta Deptt. of Statistics, Kumaon University, Nainital, India
Keywords: Repeated measures, ANOVA, MANOVA, Profile analysis, Non-parametric, Multiple sample

Abstract

In this paper, we have used SAS software for the multivariate analysis of repeated measures data due to Grizzel and Allen (1969). We have applied four multivariate methods viz MANOVA, Profile Analysis, non-parametric multisample rank sum test and non-parametric multisample median test to analyse two sets of data. The findings of the study reveal that profile analysis gives similar results as revealed by MANOVA, except in case of Pillai’s trace and Hotelling-Lowley’s trace statistics where time*group effects were found insignificant. Nonparametric analysis of the same data revealed different conclusions.

 

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Published
2011-11-09
Section
Articles