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Hi Thibault.
I was about to use lightFM and I found this very nice repo from you. I am wondering something related to the building of the training matrix, the user and the item feature matrix. I was wondering if the rows and columns have to be passed in a specific order? I am assuming is the case, but in your building, I can't see where you do that.
I understand Mui_train
is a COO
sparse matrix and uf
and itrf
are CSR
. When you pass these to model.fit_partial
, how does the method understand which rows and columns in Mui_train
belong to which user and item in uf
and itrf
?
Thanks!
Javier
It's too bad, the zip file is damaged, all data in Ponpare/Data/Data_japanese is damaged
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