<P>各位大侠帮忙找一下把，急用。</P>
<P>Schafer, Joseph L and J. W. Graham. 2002. “Missing Data: Our View of the Stata of the Art.” <EM>Psychological Methods</EM> 7: 147-177</P>
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[此贴子已经被作者于2007-9-28 10:31:33编辑过]