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Quantitative Analysis Using Structural Equations

What's New

October 16, 2015 – Additions
SEM.9.1-Modeling with Latent Variables is updated to version 1.2 and data plus code are now provided.

June 26, 2015 – Additions
A new tutorial has been added to the IV. Additional Topics section entitled, “Nested Data: Adjusting for hierarchical data using lavaan.survey”

June 22, 2015 - Updates
Updates include:
1. SEM.10.1-Composites and Formative Indicators is updated to version 1.1.
2. Code (including code to generate data for the example) is now given in “SEM.10.1-Composites and Formative Indicators_code – version 1.1.txt”
3. SEM.2.2-Local Estimation is updated to version 1.1, now featuring an introduction to the R package “piecewiseSEM”.

June 18, 2015 – Additional Updates
Updates include:

  1. New: Tutorials, R Code, and Data files added to the Main page.
    1. SEM.1.7-SEM Essentials Categorical Predictors- version 1.0.pdf
    2. SEM.1.7-SEM Essentials Categorical Predictors_code.txt
    3. SEM.1.7-SEM Essentials Categorical Predictors_data.csv
    4. SEM-Modeling Interactions – version 1.0.pdf
    5. SEM-Modeling Interactions_code.txt
    6. SEM-Modeling Interactions_data.csv
    7. SEM.Sp1-Spatial Autocorrelation Lavaan Procedures - version 1.0.pdf
    8. SEM.Sp1-Spatial Autocorrelation Lavaan Procedures_code.txt
    9. SEM.SP1-Spatial Autocorrelation Lavaan Procedures_data.csv
    10. SEM.Sp1-Spatial Autocorrelation Lavaan Exercise - version 1.0.pdf
    11. SEM.Sp1-Spatial Autocorrelation Lavaan Exercise_code.txt
    12. SEM.Sp1-Spatial Autocorrelation Lavaan Exercise_data.csv
    13. SEM-Reciprocal_Effects_Overview - version 1.0.pdf

May 28, 2015 – Updates to Tutorials, plus addition of Supporting Code and Data to Main page.
Updates include:

  1. Replacement pdfs:
    1. SEM.1.5- Path Rules (now “version 1.1”)
    2. SEM.2.1- Intro to Lavaan (now “version 1.1”)
    3. SEM.2.2- Local Estimation (now “version 1.1”)
    4. SEM.3- Model Evaluation (now “version 1.1”)
    5. SEM.5- Test of Mediation (now “version 1.1”)
    6. SEM.9.1- Modeling with Lvs (now “version 1.1”)
  2. New: R Code and Data files added to the Main page.
    1. SEM.2.1-Intro to Lavaan code.txt
    2. SEM.2.1-Intro to Lavaan data.csv
    3. SEM.2.2-Local Estimation code.txt
    4. SEM.2.2-Local Estimation data.csv
    5. SEM.3-Model Evaluation code.txt
    6. SEM.3-Model Evaluation data.csv
    7. SEM.5-Test of Mediation code.txt
    8. SEM.5-Test of Mediation data.csv
    9. SEM.6-SEM versus Multiple Regression code.txt
    10. SEM.6-SEM versus Multiple Regression data.csv

April 27, 2015 – Google to co-sponsor Amer. Stat. Association "Causality in Statistics Education Award" in 2016.
Google has joined Microsoft in sponsoring next year's ASA Causality Prize.
For details on this prize see http://www.amstat.org/education/causalityprize/

February 6, 2015 – New publication describing “Why to” and “How to” do SEM.
Grace, J.B., Scheiner, S.M., Schoolmaster, D.R. Jr. 2015. Structural equation modeling: building and evaluating causal models. Chapter 8 In: Fox, G.A., Negrete-Yankelevich, S., and Sosa, V.J. (eds.) Ecological Statistics: From Principles to Applications. Oxford University Press. http://ukcatalogue.oup.com/product/9780199672554.do
(for pdf of article, send request to sem@usgs.gov)

February 2, 2015 – Initial launch of the website!

 


 


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