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Rev 88568 Rev 90253
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  \item{ylab}{a label for the y axis.  Defaults to the name (if any) of
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  \item{ylab}{a label for the y axis.  Defaults to the name (if any) of
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    the column dimension in \code{x}.}
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    the column dimension in \code{x}.}
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}
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}
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\details{
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\details{
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  For a two-way contingency table, the signed contribution to Pearson's
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  For a two-way contingency table, the signed contribution to Pearson's
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  \eqn{\chi^2}{chi^2} for cell \eqn{i, j} is \eqn{d_{ij} = (f_{ij} -
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  \eqn{\chi^2} for cell \eqn{i, j} is \eqn{d_{ij} = (f_{ij} -
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    e_{ij}) / \sqrt{e_{ij}}}{d_{ij} = (f_{ij} - e_{ij}) / sqrt(e_{ij})},
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    e_{ij}) / \sqrt{e_{ij}}}{d_{ij} = (f_{ij} - e_{ij}) / sqrt(e_{ij})},
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  where \eqn{f_{ij}} and \eqn{e_{ij}} are the observed and expected
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  where \eqn{f_{ij}} and \eqn{e_{ij}} are the observed and expected
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  counts corresponding to the cell.  In the Cohen-Friendly association
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  counts corresponding to the cell.  In the Cohen-Friendly association
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  plot, each cell is represented by a rectangle that has (signed) height
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  plot, each cell is represented by a rectangle that has (signed) height
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  proportional to \eqn{d_{ij}} and width proportional to
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  proportional to \eqn{d_{ij}} and width proportional to