I've seen 2000 of these messages in a run. Could they be excised or made DEBUG?
On Wed, Jan 4, 2012 at 10:09 AM, Sean Owen <[email protected]> wrote: > You can ignore the 'unable to recommend' messages as largely informational. > > The result is the evaluation score from the evaluator you ran - for example > one implementation returns the average absolute difference between expected > and predicted preference. Lower is better. > > On Wed, Jan 4, 2012 at 5:55 PM, Ashish Patel <[email protected]> wrote: > >> Hi, >> >> Finally I successfully run the grouplens example on mahout in netbeans. >> >> but i can not understand the result generated. >> >> Somewhere it display like unable to recommend in 0 cases; what it means? >> >> also what is meaning of Evaluation result: 0.7134010054810654? >> >> help me please... >> >> My output looks like this: >> >> 4 Jan, 2012 11:22:59 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Unable to recommend in 0 cases >> 4 Jan, 2012 11:23:02 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Average time per recommendation: 11ms >> 4 Jan, 2012 11:23:02 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Approximate memory used: 694MB / 1053MB >> 4 Jan, 2012 11:23:02 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Unable to recommend in 47 cases >> 4 Jan, 2012 11:23:05 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Average time per recommendation: 11ms >> 4 Jan, 2012 11:23:05 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Approximate memory used: 638MB / 984MB >> 4 Jan, 2012 11:23:05 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Unable to recommend in 104 cases >> 4 Jan, 2012 11:23:06 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: Evaluation result: 0.7134010054810654 >> 4 Jan, 2012 11:23:06 PM org.slf4j.impl.JCLLoggerAdapter info >> INFO: 0.7134010054810654 >> ------------------------------------------------------------------------ >> BUILD SUCCESS >> ------------------------------------------------------------------------ >> Total time: 23.351s >> Finished at: Wed Jan 04 23:23:06 IST 2012 >> Final Memory: 14M/152M >> ------------------------------------------------------------------------ >> -- Lance Norskog [email protected]
