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2010 Sep 16
0
problems trying to reproduce structural equation model using the sem package
...published model. Any light you could shed on this would be greatly appreciated. The code to reproduce all 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...