tests/manual/growth.R

model.syntax <- "
  # intercept and slope with fixed coefficients
    i =~ 1*t1 + 1*t2 + 1*t3 + 1*t4
    s =~ 0*t1 + 1*t2 + 2*t3 + 3*t4

  # regressions
    i ~ x1 + x2
    s ~ x1 + x2

  # time-varying covariates
    t1 ~ c1
    t2 ~ c2
    t3 ~ c3
    t4 ~ c4
"

fit <- growth(model.syntax, data = Demo.growth)
lavaangui(fit)
plot_lavaan(fit)

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lavaangui documentation built on April 4, 2025, 1:43 a.m.