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soil_organic
2010 Sep 16
0
problems trying to reproduce structural equation model using the sem package
...ll steps is presented below.
Thank you very much,
Gustavo.
##########
library(sem)
grace <- matrix(ncol = 10, nrow = 10)
variables <- c("lightlog", "light", "dstb", "species_count", "masslog",
? ? ? ? ? ? ? "soil_carbon", "soil_organic", "soil_low_flooding",
? ? ? ? ? ? ? "soil_high_flooding", "soil_salinity")
rownames(grace) <- colnames(grace) <- variables
diag(grace) <- 1
## Coefficients from the paper.
grace.coefficients <- c(0.858, 0.667, -0.251, -0.699, 0.06, 0.012, 0.552,...