R Graphical Manual

Last data update: 2014.03.03

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Results 1 - 10 of 25 found.
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summary-methods (Package: kequate) : Methods for Function summary

~~ Methods for function summary ~~

● Data Source: CranContrib
● Keywords: methods
● Alias: summary,ANY-method, summary,keout-method, summary,sparseMatrix-method, summary-methods
● 0 images

kequate-package (Package: kequate) :

The kernel equating technique for equating test scores is implemented, supporting the Equivalent Groups (EG), Single Group (SG), Counterbalanced (CB), Non-Equivalent groups with Anchor Test Chain Equating (NEAT CE), Non-Equivalent groups with Anchor Test Post-Stratification Equating (NEAT PSE) and Non-Equivalent groups with Covariates (NEC) designs. Support for three types of kernels is provided: Gaussian, logistic and uniform. Standard errors of equating and standard errors of the difference between two equating functions are provided for all designs and kernels. Also included are functions aiding the search for a proper log-linear pre-smoothing model and the ability to use Item Response Theory Observed Score Equating (IRT-OSE) in the Kernel Equating framework.

● Data Source: CranContrib
● Keywords: package
● Alias: kequate-package
● 0 images

plot-methods (Package: kequate) : Methods for Function plot

~~ Methods for function plot ~~

● Data Source: CranContrib
● Keywords: methods
● Alias: plot,ANY,ANY-method, plot,cdist,ANY-method, plot,genseed,ANY-method, plot,keout,ANY-method, plot-methods
● 0 images

getPre (Package: kequate) : Retrieve the Percent Relative Error

Function to retrieve the percent relative error (PRE) used in an equating from an object of class keout created by kequate.

● Data Source: CranContrib
● Keywords:
● Alias: getPre, getPre,keout-method, getPre-class
● 0 images

cdist-class (Package: kequate) : Class "cdist"

Stores conditional means, variances, skewnesses and kurtoses of observed and estimated bivariate distributions of test scores.

● Data Source: CranContrib
● Keywords: classes
● Alias: cdist-class
● 0 images

getEqirt (Package: kequate) : Retrieve Equated Values From an IRT-Equating

Function to retrieve the equated values of the IRT observed score equating from an object of class keout created by kequate.

● Data Source: CranContrib
● Keywords:
● Alias: getEqirt, getEqirt,keout-method, getEqirt-class
● 0 images

kefreq (Package: kequate) :

Tabulates the frequencies of score values/combinations of score values from data at the individual level. Can handle univariate or bivariate scores.

● Data Source: CranContrib
● Keywords:
● Alias: kefreq
● 0 images

getEqlin (Package: kequate) : Retrieve Equated Values of the Linear Equating

Function to retrieve the equated values of the linear equating from an object of class keout created by kequate.

● Data Source: CranContrib
● Keywords:
● Alias: getEqlin, getEqlin,keout-method, getEqlin-class
● 0 images

getH (Package: kequate) : Retrieve the Continuization Bandwidths

Function to retrieve the bandwidths used in an equating from an object of class keout created by kequate.

● Data Source: CranContrib
● Keywords:
● Alias: getH, getH,keout-method, getH-class
● 0 images

cdist (Package: kequate) : Conditional Mean, Variance, Skewness and Kurtosis

Calculates conditional means, variances, skewnesses and kurtoses for observed and estimated bivariate probability distributions of test scores.

● Data Source: CranContrib
● Keywords:
● Alias: cdist
● 0 images