data("Bollen")
y1
y2
y3
y4
y5
y6
y7
y8
x1
x2
x3
sem
package (in turn, via pers. comm Bollen to Fox)Bollen, K. A. (1979). Political democracy and the timing of development. American Sociological Review, 44, 572-587.
Bollen, K. A. (1980). Issues in the comparative measurement of political democracy. American Sociological Review, 45, 370-390.
Bollen, K. A. (1989). Structural equation models. New York: Wiley-Interscience.
data(Bollen)
str(Bollen)
plot(y1 ~ y2, data = Bollen)
Run the code above in your browser using DataLab