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Procedures for Psychological, Psychometric, and Personality Research

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**00.psych-package:**A package for personality, psychometric, and psychological...**alpha:**Find two estimates of reliability: Cronbach's alpha and...**anova.psych:**Model comparison for regression, mediation, cluster and...**AUC:**Decision Theory measures of specificity, sensitivity, and d...**bassAckward:**The Bass-Ackward factoring algorithm discussed by Goldberg**best.scales:**A bootstrap aggregation function for choosing most predictive...**bfi:**25 Personality items representing 5 factors**bi.bars:**Draw pairs of bargraphs based on two groups**bifactor:**Seven data sets showing a bifactor solution.**bigCor:**Find large correlation matrices by stitching together smaller...**biplot.psych:**Draw biplots of factor or component scores by factor or...**block.random:**Create a block randomized structure for n independent...**bock.table:**Bock and Liberman (1970) data set of 1000 observations of the...**cattell:**12 cognitive variables from Cattell (1963)**circ.tests:**Apply four tests of circumplex versus simple structure**cluster2keys:**Convert a cluster vector (from e.g., kmeans) to a keys matrix...**cluster.cor:**Find correlations of composite variables (corrected for...**cluster.fit:**cluster Fit: fit of the cluster model to a correlation matrix**cluster.loadings:**Find item by cluster correlations, corrected for overlap and...**cluster.plot:**Plot factor/cluster loadings and assign items to clusters by...**cohen.d:**Find Cohen d and confidence intervals**comorbidity:**Convert base rates of two diagnoses and their comorbidity...**congruence:**Matrix and profile congruences and distances**cor2dist:**Convert correlations to distances (necessary to do...**cor.ci:**Bootstrapped and normal confidence intervals for raw and...**corFiml:**Find a Full Information Maximum Likelihood (FIML) correlation...**cor.plot:**Create an image plot for a correlation or factor matrix**correct.cor:**Find dis-attenuated correlations given correlations and...**corr.test:**Find the correlations, sample sizes, and probability values...**cor.smooth:**Smooth a non-positive definite correlation matrix to make it...**cortest.bartlett:**Bartlett's test that a correlation matrix is an identity...**cortest.mat:**Chi square tests of whether a single matrix is an identity...**cor.wt:**The sample size weighted correlation may be used in...**cosinor:**Functions for analysis of circadian or diurnal data**count.pairwise:**Count number of pairwise cases for a data set with missing...**cta:**Simulate the C(ues) T(endency) A(ction) model of motivation**densityBy:**Create a 'violin plot' or density plot of the distribution of...**deprecated:**Deprecated Exploratory Factor analysis functions. Please use...**describe:**Basic descriptive statistics useful for psychometrics**describe.by:**Basic summary statistics by group**diagram:**Helper functions for drawing path model diagrams**draw.tetra:**Draw a correlation ellipse and two normal curves to...**dummy.code:**Create dummy coded variables**dwyer:**8 cognitive variables used by Dwyer for an example.**eigen.loadings:**Convert eigen vectors and eigen values to the more normal...**ellipses:**Plot data and 1 and 2 sigma correlation ellipses**error.bars:**Plot means and confidence intervals**error.bars.by:**Plot means and confidence intervals for multiple groups**error.circles:**Two way plots of means, error bars, and sample sizes**error.crosses:**Plot x and y error bars**Browse all...**

```
"cor2dist" <- function(x) {
if(dim(x)[1] != dim(x)[2]) {x <- cor(x,use="pairwise")}
dist <- sqrt(2*(1-x))
return(dist)
}
```

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