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  the summary table, or a test based on sphericity assumptions (i.e.
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  the summary table, or a test based on sphericity assumptions (i.e.
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  that the covariance is proportional to a given matrix).
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  that the covariance is proportional to a given matrix).
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  For the multivariate test, \I{Wilks}' statistic is most popular in the
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  For the multivariate test, \I{Wilks}' statistic is most popular in the
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  literature, but the default \I{Pillai}--\I{Bartlett} statistic is
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  literature, but the default \I{Pillai}--\I{Bartlett} statistic is
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  recommended by Hand and Taylor (1987).  See
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  recommended by \bibcitet{R:Hand+Taylor:1987}.  See
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  \code{\link{summary.manova}} for further details.
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  \code{\link{summary.manova}} for further details.
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  For the \code{"Spherical"} test, proportionality is usually with the
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  For the \code{"Spherical"} test, proportionality is usually with the
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  identity matrix but a different matrix can be specified using \code{Sigma}.
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  identity matrix but a different matrix can be specified using \code{Sigma}.
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  Corrections for asphericity known as the \I{Greenhouse}--\I{Geisser},
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  Corrections for asphericity known as the \I{Greenhouse}--\I{Geisser},
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  v.\sspace{}8.2) except when the \abbr{DF} is equal to the number of observations
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  v.\sspace{}8.2) except when the \abbr{DF} is equal to the number of observations
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  minus one.  This is believed to be a bug in SAS, not in \R.
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  minus one.  This is believed to be a bug in SAS, not in \R.
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}
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}
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\references{
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\references{
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  Hand, D. J. and Taylor, C. C.  (1987)
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  \bibshow{R:Hand+Taylor:1987}
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  \emph{Multivariate Analysis of Variance and Repeated Measures.}
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  Chapman and Hall.
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}
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}
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%% Probably use example from Baron/Li
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%% Probably use example from Baron/Li
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\seealso{
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\seealso{
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  \code{\link{summary.manova}}
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  \code{\link{summary.manova}}