Functions to help the process of learning structural equation modelling

albert | Erodium paularense data and model. |

boot.lavan | Nonparametrical bootstrapping of a SEM model fit by 'lavaan'. |

cor2cov | Covariance matrix from a correlation matrix. |

endogenous | Display the endogenous variables of a lavaanified model |

exogenous | Display the exogenous variables of a lavaanified model |

factanal.prcomp | Factor analysis. |

fgls | Generalised least squares. |

fit.nlminb | Fit a structural equation model using 'nlminb'. |

fml | Maximum-likelihood fitting function. |

grace | Data and tentative model syntax for the paper by Grace et al.... |

harnik | Effects of biological factors on extinction risk in fossil... |

II | Identity matrix |

is.hermitian | Check if a matrix is Hermitian. |

is.pd | Do some basic checking to see if a matrix is... |

is.within.bounds | Check if all covariances in a covariance matrix are within... |

iterator | Minimization of a fitting function. |

jumpstart | Get the starting values of the free parameters of a model. |

lamb | Effects of plant species richness and evenness on soil... |

lamb2 | Yield components in oat. |

latents | Display the latent variables of a lavaanified model |

latta | Path analysis of natural selection via survival and fecundity... |

laughlin | Determinants of nitrification potential in a pine forest... |

LISREL | Build the 4 basic matrices of the LISREL "all-y"... |

lvnfy | Set the ground to start analysing a structural equation... |

manifests | Display the indicator (manifest) variables of a lavaanified... |

matrix.representation | Builds the LISREL "all-y" matrix representation of a model. |

mirror.tri | Place the values below or above the diagonal of a square... |

model.df | Number of degrees of freedom. |

model.type | Displays the type of a structural equations model. |

observed | Display the observed variables of a lavaanified model |

pugesek | Bumpus house sparrow data and model. |

pval | Returns the p-value given a z-score. |

residuals.sem | Residuals of a fitted path or structural equations model. |

rmnorm | Random multivariate normal distribution. |

RMSEA | RMSEA |

sem.matrices | Structural and covariance matrices describing a path or... |

se.sem | Standard errors of free parameters. |

sigma.hat | Calculates the sigma hat given a LISREL "all-y" matrix... |

stiles | Fragmentation effects on remnant plant species richness. |

stremo-package | Learning structural equation modeling. |

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