demo/asem.R

# The industrialization and Political Democracy Example from Bollen (1989), page
# 332
mod <- "
  # Latent variable definitions
     ind60 =~ x1 + x2 + x3
     dem60 =~ y1 + y2 + y3 + y4
     dem65 =~ y5 + y6 + y7 + y8

  # (Latent) regressions
    dem60 ~ ind60
    dem65 ~ ind60 + dem60

  # Residual correlations
    y1 ~~ y5
    y2 ~~ y4 + y6
    y3 ~~ y7
    y4 ~~ y8
    y6 ~~ y8
"
fit <- asem(mod, lavaan::PoliticalDemocracy)

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INLAvaan documentation built on Oct. 2, 2026, 1:07 a.m.