Dataset format

[Jason-WT]

What format does the model need to train and test? (Only the format of LETOR can be used in the model??)

[KasSanderink]

Using the following seems to work for me:

• TX: a pandas dataframe containing all features (except the target values and the group ids)
• Ty: a pandas series containing the target values
• Tqids: a pandas series (same length as Ty) cotaining the group id for each instance

Using numpy arrays instead of dataframes probably works as well