Last data update: 2014.03.03
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R: Extract LISREL matrices from 'lisrel' object.
lisrelMatrix | R Documentation |
Extract LISREL matrices from lisrel object.
Description
This function can be used to extract matrices from the output of readLisrel .
Usage
lisrelMatrix(object, matrix, group = 1, type = "est")
Arguments
object |
A "lisrel" object obtained by readLisrel .
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matrix |
Specification of the matrix to be extracted. See details.
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group |
An integer specifying which group the matrix should be extracted from.
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type |
Specification of the type of matrix to be extracted.
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Details
LisrelToR uses the following names for the model matrices:
- LY
-
Lambda-Y matrix.
- PS
-
Psi matrix.
- BE
-
Beta matrix.
- TE
-
Theta-Epsilon matrix.
- TY
-
Tau-Y matrix.
- AL
-
Alpha matrix.
- LX
-
Lambda-X matrix.
- PH
-
Phi matrix.
- GA
-
Gamma matrix.
- TD
-
Theta-Delta matrix.
- TX
-
Tau-X matrix.
- KA
-
Kappa
- ObsCovs
-
The observed covariance matrix, or a list of such matrices for each group.
- ImpCovs
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The implied covariance matrix, or a list of such matrices for each group.
Furthermore, lisrelToR uses the following names for matrix types:
- est
Parameter estimates
- se
Standard errors
- t
t-values
- parSpec
Parameter numbers
Value
A matrix.
Author(s)
Sacha Epskamp <mail@sachaepskamp.com>
References
Joreskog, K. G., & Sorbom, D. (1996). LISREL 8 user's reference guide. Scientific Software.
See Also
readLisrel
Examples
## Measurment invariance example:
download.file("http://sachaepskamp.com/files/mi1.OUT",modFile <- tempfile(fileext=".OUT"))
Lis <- readLisrel(modFile)
# Extract Lambda-Y for group 2:
lisrelMatrix(Lis,"LY", group = 2)
Results
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