search for: sem1

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2012 Aug 03
1
SEM standardized path coefficients
...All.S 0.4156191 1.0000000 But, conducting an SEM yields: sem.mod = specifyModel('SEM_NDVI_AllS_model.txt') sem.mod.cov = rawMoments(~ NDVI + All.S, data = df) sem.mod.cov = sem.mod.cov[-1,-1] sem.mod.cov NDVI All.S NDVI 0.7820657 13.53573 All.S 13.5357259 245.71360 sem1 = sem(sem.mod, sem.mod.cov, N=29) stdCoef(sem1) n2S n2S 0.97643950 All.S <--- NDVI n2n n2n 1.00000000 NDVI <--> NDVI s2S s2S 0.04656591 All.S <--> All.S I am using version 3.0 of sem on R-14.0. Thanks for any insight anyone can provide. Allen Hurlbert, Ph.D. Depart...
2009 Jul 20
3
Another SEM question
Hello, I use the function sem the following way sem.mod <- sem(model, mod.cov, N=109) where the variables are modelled: Z -> M Z -> I Z -> R M <-> M I <-> I R <-> R Z <-> Z The output is ... Normalized Residuals Min. 1st Qu. Median Mean 3rd Qu. Max. -7.3300 -0.2750 -0.2670 -0.1290 -0.0369 9.0300 Parameter Estimates Estimate Std Error z value Pr(>|z|)
2011 Nov 07
0
new version 2.0-0 of the sem package
Dear R users, Jarrett Byrnes and I would like to announce version 2.0-0 of the sem package for fitting observed- and latent-variable structural equation models. This is a general reworking of the original sem package (which is still available on R-Forge as package sem1). Some highlights of sem 2.0-0 include: o More convenient and compact model specification, including the default automatic generation of error variances for endogenous variables and more compact specification of error covariances. In the near future, we anticipate releasing an update that permi...
2011 Nov 07
0
new version 2.0-0 of the sem package
Dear R users, Jarrett Byrnes and I would like to announce version 2.0-0 of the sem package for fitting observed- and latent-variable structural equation models. This is a general reworking of the original sem package (which is still available on R-Forge as package sem1). Some highlights of sem 2.0-0 include: o More convenient and compact model specification, including the default automatic generation of error variances for endogenous variables and more compact specification of error covariances. In the near future, we anticipate releasing an update that permi...
2008 Jun 30
4
Rebuild of kernel 2.6.9-67.0.20.EL failure
Hello list. I'm trying to rebuild the 2.6.9.67.0.20.EL kernel, but it fails even without modifications. How did I try it? Created a (non-root) build environment (not a mock ) Installed the kernel.scr.rpm and did a rpmbuild -ba --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee prep-out.log The build failed at the end: Processing files: kernel-xenU-devel-2.6.9-67.0.20.EL Checking