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A short note on the estimation of the asymptotic covariance matrix for polychoric correlations
被引:10
|作者:
Christoffersson, A
[1
]
Gunsjo, A
[1
]
机构:
[1] UNIV UPPSALA,DEPT STAT,S-75120 UPPSALA,SWEDEN
关键词:
polychoric correlations;
asymptotic covariance matrix;
D O I:
10.1007/BF02296965
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
By using a Taylor expansion of the equations that define the two step estimator for polychoric correlations, the asymptotic covariance matrix for the estimated correlations can be derived in a simple and straightforward way.
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页码:173 / 175
页数:3
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