Yes, I tried --booleanData and --booleanData true. The result was the same.

Prior that I tried the Wikipedia link database (I converted the original dataset in the required format in a separate step before) with the same result. Even with a fixed preference value of 1.0 the result file was empty. Then I tried a random preference value between 1.0 and 5.0 and got results.

Bye,

Oliver

Am 30.05.2012 00:06, schrieb Sean Owen:
Did you set the flag for boolean data, --booleanData? Processing is
somewhat different without ratings, since you are no longer predicting
ratings.

On Tue, May 29, 2012 at 10:58 PM, Oliver B. Fischer
<[email protected]>wrote:

Hi all,

today tried to use RecommenderJob to produce some simple recommendations.
However it seems so that RecommenderJob can't handle boolean data.

If I run the Recommender with the small example dataset form the first
pages of MiA it produces some results. If I remove the preference values
from the dataset and run the RecommenderJob with --booleanData true the
result file will be empty.

Did I miss something? Is the dataset to small or is it a bug?

Bye,

Oliver



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