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Random forest is not re-seeded when new target class chosen

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Random forest is not re-seeded when new target class chosen

Postby bshanks » Sat May 15, 2010 2:03

When using the Random Forest widget with Test Learners, if you change the Target Class in the Test Learners widget, and then change it back, you get a different CA for Random Forest. This negates the purpose of allowing one to set a random seed in the Random Forest widget; the random number generator should be re-seeded at this point so that you get the same results for the same target class every time.

Postby marko » Sat May 15, 2010 8:02

Thank you. The random generator is now reseeded when the random forests learner is reused. Fixed in SVN. Fixed packaged downloads should be available tomorrow.


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