estimaterating: Recommendation Functions

In CFilt: Recommendation by Collaborative Filtering

Recommendation Functions

Description

Function that provide an estimate of the user's rating for the item.

Usage

estimaterating(
  CF,
  Id_u,
  Id_i,
  type = "user",
  neighbors = ifelse(type == "user", nrow(CF$MU) - 1, ncol(CF$MU) - 1)
)

Arguments

CF	A CF object
Id_u	the user Id
Id_i	the item Id
type	"user" or "item"
neighbors	number of neighbors in the calculation.

Author(s)

Jessica Kubrusly

Examples

objectCF_r <- CFbuilder(Data = movies[1:500,], Datatype = "ratings", 
similarity = "cosine")
estimaterating(CF=objectCF_r,Id_u="35",Id_i="Despicable Me 2")
estimaterating(CF=objectCF_r,Id_u="35",Id_i="Her")

CFilt documentation built on Oct. 4, 2024, 5:10 p.m.