Agresti's Categorical Data Analysis has some discussion, and references

Theil, H. (1970). On the estimation of relationships involving qualitative variables. American Journal of Sociology, 76, 103-154.

Computational formulas for SPSS are found in the CROSSTABS chapter of the SPSS 7.5 Statistical Algorithms manual.

David Nichols Principal Support Statistician and Manager of Statistical Support SPSS Inc.

-----Original Message----- From: Jose Miguel Arias Blanco [SMTP:arias@PINON.CCU.UNIOVI.ES] Sent: Monday, August 24, 1998 5:54 AM To: SPSSX-L@UGA.CC.UGA.EDU Subject: Uncertainty Coefficient

Can anyone help me? I need some bibliographic references about Uncertainty Coefficient (symmetric and asymmetric) and formulas that SPSS compute in Crosstabs.

Thanks in advance

-- Josi Miguel Arias Blanco e-mail: arias@pinon.ccu.uniovi.es Fac. de Ciencias de la Educacisn tfno. : +34 98 510 3228 Universidad de Oviedo fax : +34 98 510 3216