adfCor |
Asymptotic Distribution-Free Covariance Matrix of Correlations |
adfCov |
Asymptotic Distribution-Free Covariance Matrix of Covariances |
BadRBY |
Improper correlation matrix reported by Bentler and Yuan |
BadRJN |
Improper R matrix reported by Joseph and Newman |
BadRKtB |
Improper R matrix reported by Knol and ten Berge |
BadRLG |
Improper R matrix reported by Lurie and Goldberg |
BadRRM |
Improper R matrix reported by Rousseeuw and Molenberghs |
BiFAD |
Bifactor Analysis via Direct Schmid-Leiman (DSL) Transformations |
bigen |
Generate Correlated Binary Data |
corSample |
Sample Correlation Matrices from a Population Correlation Matrix |
corSmooth |
Smooth a Non PD Correlation Matrix |
cosMat |
Compute the cosine(s) between either 2 matrices or 2 vectors. |
d2r |
Convert Degrees to Radians |
eap |
Compute eap trait estimates for FMP and FUP models |
eigGen |
Generate eigenvalues for R matrices with underlying component structure |
enhancement |
Find OLS Regression Coefficients that Exhibit Enhancement |
erf |
Utility fnc to compute the components for an empirical response function |
faAlign |
Align the columns of two factor loading matrices |
fals |
Unweighted least squares factor analysis |
faMain |
Automatic Factor Rotation from Random Configurations with Bootstrap Standard Errors |
faMAP |
Velicer's minimum partial correlation method for determining the number of major components for a principal components analysis or a factor analysis |
fapa |
Iterated Principal Axis Factor Analysis (fapa) |
faSort |
Sort a factor loadings matrix |
faStandardize |
Standardize the Unrotated Factor Loadings |
faX |
Factor Extraction (faX) Routines |
FMP |
Estimate the coefficients of a filtered monotonic polynomial IRT model |
FMPMonotonicityCheck |
Utility function for checking FMP monotonicity |
fungible |
Generate Fungible Regression Weights |
fungibleExtrema |
Locate Extrema of Fungible Regression Weights |
fungibleL |
Generate Fungible Logistic Regression Weights |
fungibleR |
Generate Fungible Correlation Matrices |
FUP |
Estimate the coefficients of a filtered unconstrained polynomial IRT model |
gen4PMData |
Generate item response data for 1, 2, 3, or 4-parameter IRT models |
genCorr |
Generate Correlation Matrices with User-Defined Eigenvalues |
genFMPData |
Generate item response data for a filtered monotonic polynomial IRT model |
HS9Var |
9 Variables from the Holzinger and Swineford (1939) Dataset |
irf |
Plot item response functions for polynomial IRT models. |
itemDescriptives |
Compute basic descriptives for binary-item analysis |
kurt |
Calculate Univariate Kurtosis for a Vector or Matrix |
monte |
Simulate Clustered Data with User-Defined Properties |
monte1 |
Simulate Multivariate Non-normal Data by Vale & Maurelli (1983) Method |
normalCor |
Compute Normal-Theory Covariances for Correlations |
normF |
Compute the Frobenius norm of a matrix |
Omega |
Compute Omega hierarchical |
orderFactors |
Order factor-loadings matrix by the sum of squared factor loadings |
plot.monte |
Plot Method for Class Monte |
print.summary.monte |
Summary Method for an Object of Class Monte |
print.summary.monte1 |
Summary Method for an Object of Class Monte1 |
promaxQ |
Conduct an Oblique Promax Rotation |
r2d |
Convert Radians to Degrees |
rarc |
Rotate Points on the Surface on an N-Dimensional Ellipsoid |
rcone |
Generate a Cone of Regression Coefficient Vectors |
rcor |
Generate Random PSD Correlation Matrices |
rellipsoid |
Generate Uniformly Spaced OLS Regression Coefficients that Yield a User-Supplied R-Squared Value |
restScore |
Plot an ERF using rest scores |
rGivens |
Generate Correlation Matrices with Specified Eigenvalues |
rMAP |
Generate Correlation Matrices with Specified Eigenvalues |
rmsd |
Root Mean Squared Deviation of (A - B) |
RnpdMAP |
Generate Random NPD R matrices from a user-supplied population R |
SchmidLeiman |
Schmid-Leiman Orthogonalization to a (Rank-Deficient) Bifactor Structure |
seBeta |
Standard Errors and CIs for Standardized Regression Coefficients |
seBetaCor |
Standard Errors and CIs for Standardized Regression Coefficients from Correlations |
seBetaFixed |
Covariance Matrix and Standard Errors for Standardized Regression Coefficients for Fixed Predictors |
skew |
Calculate Univariate Skewness for a Vector or Matrix |
SLi |
Conduct a Schmid-Leiman Iterated (SLi) Target Rotation |
smoothAPA |
Smooth a NPD R matrix to PD using the Alternating Projection Algorithm |
smoothBY |
Smooth an NPD R matrix to PD using the Bentler Yuan 2011 method |
smoothKB |
Smooth a Non PD Correlation Matrix |
smoothLG |
Smooth NPD to Nearest PSD or PD Matrix |
summary.monte |
Summary Method for an Object of Class Monte |
summary.monte1 |
Summary Method for an Object of Class Monte1 |
svdNorm |
Compute theta surrogates via normalized SVD scores |
tetcor |
Compute ML Tetrachoric Correlations |
tetcorQuasi |
Correlation between a Naturally and an Artificially Dichotomized Variable |
vcos |
Compute the Cosine Between Two Vectors |
vnorm |
Norm a Vector to Unit Length |