fitted.initgmf: Extract the fitted values of an initialized GMF model

In sgdGMF: Estimation of Generalized Matrix Factorization Models via Stochastic Gradient Descent

Extract the fitted values of an initialized GMF model

Description

Computes the fitted values of an initialized GMF model.

Usage

## S3 method for class 'initgmf'
fitted(object, ..., type = c("link", "response", "terms"), partial = FALSE)

Arguments

object	an object of class initgmf
...	further arguments passed to or from other methods
type	the type of fitted values which should be returned
partial	if TRUE, returns the partial fitted values

Value

If type="terms", a list of fitted values containing the fields XB, AZ and UV. Otherwise, a matrix of fitted values in the link or response scale, depending on the selected type.

See Also

fitted.sgdgmf.

Examples

# Load the sgdGMF package
library(sgdGMF)

# Generate data from a Poisson model
data = sim.gmf.data(n = 100, m = 20, ncomp = 5, family = poisson())

# Fit a GMF model with 3 latent factors
init = sgdgmf.init(data$Y, ncomp = 3, family = poisson())

# Get the fitted values of a GMF model
str(fitted(init)) # returns the overall fitted values in link scale
str(fitted(init, type = "response")) # returns the overall fitted values in response scale
str(fitted(init, partial = TRUE)) # returns the partial fitted values in link scale

sgdGMF documentation built on April 3, 2025, 7:37 p.m.