grt (version 0.2.1)

logLik.gqcStruct: Log-Likelihood of a 'gqcStruct' Object

Description

Calculate the log-likelihood of the general quadratic classifier model applied to a data set.

Usage

# S3 method for gqcStruct
logLik(object, response, x, zlimit = Inf, …)

Arguments

object

object of class gqcStruct

response

a vector of classification responses used to calculate the log-likelihood of the gqc model.

x

a matrix or dataframe containing values for each stimulus dimensions.

zlimit

integer. Used to truncate the z-scores whose absolute values are greater than zlimit when calculating the log-likelihood. Default to Inf

…

further arguments (currently unused)

Value

The log-likelihood for the general quadratic classifier described by object fitted against the dataset given by response and x.

See Also

gqc, gqcStruct, logLik.gqc

Examples

# NOT RUN {
m <- list(c(187, 142), c(213, 98))
covs <- list(diag(625, ncol=2, nrow=2), diag(600, ncol=2, nrow=2))
db <- qdb(means=m, covs=covs)
data(subjdemo_2d)
logLik(db, subjdemo_2d$response, x=subjdemo_2d[2:3], zlimit=7)
# }