Date: Tue, 10 Nov 1998 08:40:55 +0100 Reply-To: Andreas Fieger Sender: "SPSSX(r) Discussion" From: Andreas Fieger Subject: Re: Adjusted residuals in crosstabulations In-Reply-To: <36476260.E9430EBB@mckenna-group.com> Content-Type: TEXT/PLAIN; charset=US-ASCII On Mon, 9 Nov 1998, Nick Vaidya wrote: > Can someone provide me the formula for calculating the adjusted > residuals in crosstabulations, preferably the one spss uses. > > Nick Vaidya > According to SPSS Statistical Algorithms, 2nd Edition they use: AR_{ij} = R_{ij} / ( sqrt{ E_{ij} (1 - r_i/W) (1 - c_j/W) } ) where R_{ij} is the residual = f_{ij} - E_{ij} E_{ij} is the expected count = r_i c_i / W f_{ij} is the count r_i is the ith row subtotal = \sum_{j=1}^C f_{ij} (C is the number of columns) c_j is the jth column subtotal = \sum_{i=1}^R f_{ij} (R is the number of rows) W is the grand total = \sum_{j=1}^R r_j = \sum_{i=1}^r c_i HTH, Andreas _ o _\<, _____( )/( )_____ `

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