Recommend
Convert Rating Matrix/Normalize RatingMatrix/Pair Down Matrix/Gen. evaluationScheme/Evaluate a Recommender/IBCF/UBCF
Last updated
Convert Rating Matrix/Normalize RatingMatrix/Pair Down Matrix/Gen. evaluationScheme/Evaluate a Recommender/IBCF/UBCF
Last updated
Before using the Recommender, the data should be converted into User-Item Rating matrix form.
Variables
Inputs
Target Data
Data input
Matrix Name
Name of the matrix after conversion (fill it out at your discretion)
Matrix Type
Select either 'Real Rating' or 'Binary Rating'
User
User data
Item
Item data
Rating
Rating data
Inputs
Target Data
Input data of User-Item Rating Matrix Form
Matrix Name
Name of the output after normalization (fill it out at your discretion)
Used to filter the data for recommendation
Inputs
Rating Matrix
Input data of User-Item Rating Matrix Form
Output RatingMatrix
Output Rating matrix
Arguments
count/mean/sum of user's rating data selected by User (selected data will be included in the Output Rating Matrix)
Creates an evaluation scheme object from User-Item Rating matrix.
Inputs
Rating Matrix
Input data of User-Item Rating Matrix Form
eva. Scheme Name
Name of an evaluation scheme object created from a dataset (fill it out at your discretion)
Evaluates a single or a list of recommender model given an evaluation scheme.
Inputs
evaluationScheme
Input data of User-Item Rating Matrix Form
evaluate Name
Name of an evaluation scheme object created from a dataset (fill it out at your discretion)
Model Name: name the evaluation model
Type: Type of the evaluation model ex) ALS, ALS_implicit, POPULAR, topNList etc.
Parameter: a list with parameters for the recommender algorithm (default=NULL)
IBCF(item-based collaborative filtering) model
UBCF(user-based collaborative filtering) model
Inputs
Matrix Name
Input data of User-Item Rating Matrix Form
Model Name
Name of an collaborative filtering model (fill it out at your discretion)
R-Flow Task Example Video - Recommend
Convert Rating Matrix& Normalize RatingMatrix https://www.rdocumentation.org/packages/recommenderlab/versions/0.2-6/topics/realRatingMatrix
Pair Down Matrix: https://www.rdocumentation.org/packages/recommenderlab/versions/0.2-6/topics/ratingMatrix
Gen.EvaluationScheme: https://www.rdocumentation.org/packages/recommenderlab/versions/0.2-6/topics/evaluationScheme
Evaluate a Recommender: https://www.rdocumentation.org/packages/recommenderlab/versions/0.2-6/topics/evaluate
IBCF(binaryRating) & IBCF(realRating)& UBCF(binaryRating)& UBCF(realRating) : https://www.rdocumentation.org/packages/recommenderlab/versions/0.2-6
