Likelihood (Internals)
Psychometrics.__likelihood — Method__likelihood(
response_val::Float64,
latent_val::Float64,
parameters::AbstractParametersBinary;
weight::Float64 = 1.0
)#Description
It computes the likelihood for a latent value and item parameters parameters with answer value response_val. Optionally weights the result by setting weight, that is equal to 1.0 by default.
Psychometrics.__log_likelihood — Method__log_likelihood(
response_val::Float64,
latent_val::Float64,
parameters::AbstractParametersBinary,
)Description
It computes the log likelihood for a latent value and item parameters parameters with answer response_val.
Missing docstring for _likelihood( response_val::Float64, latent_val::Float64, item::AbstractItem; weight::Float64 = 1.0 ). Check Documenter's build log for details.
Psychometrics._likelihood — Method_likelihood(
response::AbstractResponse,
latent_val::Float64,
item::AbstractItem;
weight::Float64 = 1.0
)#Description
It computes the likelihood for a latent value and item item with answer response. Optionally weights the result by setting weight, that is equal to 1.0 by default.
Psychometrics._log_likelihood — Method_log_likelihood(
response_val::Float64,
latent::Latent1D,
parameters::AbstractParametersBinary,
)Description
It computes the log likelihood for a 1-dimensional latent variable and item parameters parameters with answer response_val.
Psychometrics._log_likelihood — Method_log_likelihood(
response_val::Float64,
latent::Latent1D,
parameters::AbstractParametersBinary,
g_item::Vector{Float64},
g_latent::Vector{Float64},
)Description
It computes the log likelihood for a 1-dimensional latent variable and item parameters parameters with answer response_val. It updates also the gradient vectors.