farmer1Ed, corresponds to the respondent's highest attained level of education. A total of r = 5 levels of education are represented in the data.
1: High school
2: Vocational school
3: 2-Year college
4: 4-Year college
5: Other
Y1: Professional consultant
Y2: Veterinarian
Y3: State or local extension service
Y4: Magazines
Y5: Feed companies and representatives
Bilder, C., Loughin, T., and Nettleton, D. (2000) Multiple marginal independence testing for pick any/c variables. Communications in Statistics--Theory and Methods, 29, 1285--1316.
Loughin, T. M. and Scherer, P. N. (1998) Testing for association in contingency tables with multiple column responses. Biometrics, 54, 630--637.