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grt (version 0.1.0)

General Recognition Theory

Description

Functions to generate and analyze data for psychology experiments based on the General Recognition Theory.

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Version

Install

install.packages('grt')

Monthly Downloads

168

Version

0.1.0

License

GPL (>= 2)

Maintainer

Kazunaga Matsuki

Last Published

July 27th, 2010

Functions in grt (0.1.0)

glcStruct

General Linear Classifier structure

scale

Scale method for the class 'glc' and 'gqc'

ldb

Linear Decision Bound

grtMeans

Obtain means of two multivariate normal populations satistying certain criteria

predict.glc

predict method for General Linear Classifier

dprime

Calculate d' (d-prime)

grt-package

General Recognition Theory

glc

General Linear Classifier

plot3d.glc

plot3d Method for Class 'glc'

gqc

General Quadratic Classifier

coef.glc

Extract glc coefficients

plot3d.gqc

plot3d Method for Class 'gqc'

subjdemo_2d

Sample dataset of a categorization experiment with 2D stimuli.

unscale

Un-scale or re-center the scaled or centered Matrix-like object

qdb.p.correct

the proportion correct of the quadratic decision boundary.

gaborPatch

Draw a gray-scale Gabor Patch

plot.glc

Plot Method for Class 'glc'

gqcStruct

General Quadratic Classifier structure.

logLik.glcStruct

Log-Likelihood of a 'glcStruct' Object

lines.gqcStruct

lines Method for class 'gqc'

new2old_par

Convert 'new' to 'old' glcStruct format

logLik.gqcStruct

Log-Likelihood of a 'gqcStruct' Object

logLik.gqc

Log-Likelihood of a 'gqc' Object

ldb.p.correct

Probability of correct classification based on the optimal linear decision bound.

grg

General Random Guessing model

subjdemo_3d

Sample dataset of a categorization experiment with 3D stimuli.

qdb

Quadratic Decision Bound

logLik.glc

Log-Likelihood of a 'glc' Object

subjdemo_1d

Sample dataset of a categorization experiment with 1D stimuli.

plot.gqc

plot Method for Class 'gqc'

old2new_par

Convert 'old' to 'new' glcStruct format

extractAIC

extractAIC method for class 'glc' and 'gqc'

mcovs

Calculate sample means and covariance(s) of multivariate data

grtrnorm

Sample from multiple multivariate normal distributions