recommendation engine - Error in using Recommenderlab package in R -


i getting error trying use recommenderlab package in r.

basically when trying run collaborative model creation, getting error.

here steps did

library("recommenderlab")         # loading pre-computed affinity data   affinity.data<-read.csv("collected_data.csv") affinity.matrix<- as(affinity.data,"realratingmatrix") # creation of model - u(ser) b(ased) c(ollaborative) f(iltering) rec.model<-recommender(affinity.matrix[1:5000], method = "ubcf")

in last step getting error saying

error in (function (classes, fdef, mtable) : unable find inherited method function ‘recommender’ signature ‘"data.frame"’

has used recommenderlab package , gotten error? please help.

thanks

i had same problem too, , in case converted data transactions , binaryratingmatrix, example:

convert data.frame in transactions:

movies2 <- as(movies, "transactions")

convert binaryratingmatrix:

movies3 <- as(movies2, "binaryratingmatrix")

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