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piecewiseSEM Change Log

2016-02-09 Version 1.0.4

  • Bug fix: correlated errors among exogenous variables in sem.coefs
  • Bug fix: correctly scale data from pgls models using get.scaled.data
  • Bug fix: corrected basis set for models created with gls
  • Feature addition: helper function get.scaled.model to get model from scaled coefficients
  • Feature addition: (partial) correlations in sem.coefs
  • Bug fix: passing of correlated errors to lavaan
  • Bug fix: standardized coefficients for variables transformed in model formula

2016-01-20 Version 1.0.3

  • Bug fix: get.model.control updated for latest versions of lme4 and nlme
  • Bug fix: hand compute interactions in sem.lavaan using argument compute.int = TRUE
  • Feature addition: function get.scaled.data to handle transformed variables in sem.coefs when standardize = "scale"

2016-01-15 Version 1.0.2

  • Feature addition: added additional plotting arguments for partial.residuals
  • Feature addition: AICc and delta AIC to sem.model.fits
  • Bug fix: Offsets in model formula treated as predictors in d-sep tests

2015-12-13 Version 1.0.1

  • Feature addition: AICc and delta AIC to sem.model.fits
  • Bug fix: issue with interactions in basis set and d-sep tests in sem.missing.paths
  • Bug fix: issue with fixed intercept models and calculating the basis set
  • Bug fix: issue with offset() variables in sem.missing.paths
  • Bug fix: transformed responses for partial residuals
  • Bug fix: duplicated values in basis set (function DAG in ggm package)

2015-10-26 Version 1.0.0

  • First release to CRAN

2015-10-23 Version 0.9.9

  • Added vignette
  • Fixed issue with design matrix including omitted observations and dropped levels in sem.model.fits
  • Incorporated interactions into partial.resid
  • Fixed bug with lme residuals in partial.resid and predict.sem
  • Modified sem.coefs to return NA for standardized interactions

2015-09-08 Version 0.9.8

  • Added functions get.dag and get.basis.set
  • Fixed issue with interactions in sem.missing.paths
  • Fixed issue in sem.missing.paths where only 1 missing path returned NA instead of p-value
  • Removed argument filter.exog = TRUE
  • Fixed error for add.vars in get.dag
  • Fixed issue with transformed variables and sem.coefs
  • Fixed issue with lme4 models and sem.model.fits
  • Fixed issue with incorrect independence claims in get.basis.set
  • Fixed (nlme) merging error in partial.resid
  • Fixed issue with glmmPQL and get.random.structure
  • Added new citation (arXiv)

2015-07-31 Version 0.9.1

  • Implemented workaround in sem.basis.set where output changed based on order of variables in formula with interactions
  • Saturated models now return AIC (and AICc) values (with warning)
  • Added standard errors on predictions for mixed models in predict.sem()
  • Fixed typo in output for sem.fisher.c with incorrect df
  • Fixed error with lme4 and gls models in partial.resid()
  • Fixed error with lmerTest returning "merMod" objects
  • New function predict.sem returns model predictions
  • Fixed "unsupported model class" error for merModTest

2015-06-15 Version 0.9

  • Major revisions and annotations to all functions to improve transparency and efficiency
  • Included new helper functions get.random.formula() and get.model.control()
  • Now reports df for all model types except glmer
  • Included support for "gls" and phylogenetically independent contrast ("pgls") models
  • Fixed deparse error in get.random.struture()
  • Improved handling of gls() models

2015-04-27 Version 0.4.4

  • Fixed issue with transformed corr.errors in get.basis.set
  • get.sem.coefs now does range standardization
  • get.sem.coefs now returns single table with significance values
  • Improved handling of uneven observations in get.partial.resid
  • get.partial.resid now accepts a single model in addition to a list of models
  • get.lavaan.sem now supports additional arguments from lavaan

2015-01-26 Version 0.4.3

  • Added new function to return R^2 and AIC values for component models in SEM
  • get.partial.resid now returns residuals plot with fitted line

2015-01-03 Version 0.4.2

  • get.missing.paths now returns more information for d-sep tests
  • get.basis.set drops independence claims in the basis set where interactions predict their corresponding main effects
  • get.fisher.c now reports k df and get.aic now reports K and n df
  • Fixed rounding error that misreported Fisher's C
  • Allow user-specified rounding using sig= argument in get.sem.fit, get.fisher.c, and get.aic

2014-12-19 Version 0.4.1

  • Fixed minor bug in get.partial.resid where random effects threw an error for lme models
  • Fixed interaction bug in filter.exogenous which was returning incompatible models from the basis set
  • Fixed bug in get.sem.coefs where missing values returned NA for corr.errors
  • Fixed issue with transformed/untransformed variables predicting one another in the basis set
  • Fixed interaction bug in get.missing.paths, filter.exogenous, get.partial.resiod
  • Now can supply single model control or list

2014-11-12 Version 0.4.0

  • Fixed bug for transformed variables in get.partial.resid
  • Can now specify an equation as input into get.partial.resid
  • Fixed bug for transformed interaction terms in structured equations for get.basis.set
  • Fixed bug for transformed variables when also specifying raw variables in corr.error
  • Added model control arguments to get.sem.fit and get.partial.resid

2014-09-22 Version 0.3.2

  • Added optional switch to display conditional variables in get.missing.paths
  • Removed logLik df from get.aic output

2014-09-19 Version 0.3.1

  • Incorporated multilevel data into get.sem.fit
  • Fixed error when length(basis.set) = 1 and .progressBar = T
  • Expanded interaction term in get.basis.set to include 20 letters instead of 10, and run them backwards
  • Renamed variable names in filter.exogenous to better reflect what they are

2014-09-12 Version 0.2.6

  • Incorporated transformed variables and multiple interactions into get.sem.coefs
  • Fixed but with add.vars; many functions now require the user to supply a data.frame

2014-09-10 Version 0.2.5

  • Standardized argument order across functions
  • Improved handling of correlated errors in get.sem.coefs
  • Incorporated correlated errors into get.sem.lavaan

2014-09-05 Version 0.2.3

  • Fixed return of standardized coefficients in get.sem.coefs

2014-08-25 Version 0.2.2

  • Added argument to define and quantify correlated errors
  • Added new function get.partial.resid

2014-08-18 Version 0.1.5

  • Added new function get.basis.set (replaced dag.updated)
  • Improved handling of interactions in the basis set
  • Improved handling of p-value rownames in get.missing.paths
  • get.aic now returns df

2014-08-04 Version 0.1.4

  • Added new functions get.aic, get.fisher.c, get.sem.coefs, get.lavaan.sem
  • Added README.md
  • Completed all existing .Rd files
  • Updated .progressBar as to not conflict with existing function progressBar
  • Altered handling of model formulae to collapse to a single character string

2014-08-03 Version 0.1.0

  • Initial build of package
  • Added CHANGELOG