terry carmen nhdnrcnysupportcom james wrote server doesnt available mailbox list ts outfacing server relays inward dont want database implementation yet simply possible manually maintain list possible invalid users youre running frontend exchange scripts around export text file containing valid exchange users reject rest youre running something else im sure list members scripts terry oqhikgrwzxwvgmailcom sun feb 24 103011 2008 message 9 date wed 13 feb 2008 170606 0100 roman hausner subject wekalist parameter optimization weka machine learning workbench list messageid 304915352372182330u9t5jb237i182v3y491tj52372mailgmailcom contenttype textplain charset3diso88591 feb 12 2008 840 pm peter reutemann wrote yes possible experimenter like explorer commandline use metaclassifiers cvparameterselection gridsearch purpose try find optimal parameters baseclassifier training set get provided explorer experimenter use internal crossvalidation training set obtain best parameters see javadoc classifiers information thank pointing simply failed look meta category still two things understand run cvparameterselection explorer inside cv prints following information 3d3d3d classifier model full training set 3d3d3d crossvalidated parameter selection classifier wekaclassifierstreesj48 crossvalidation parameter c ranged 005 025 50 steps classifier options c 02 2 seems whole training set run c3d02 selected decision made based majority vote cv folds clear majority parameter value result crossvalidation 3d3d3d stratified crossvalidation 3d3d3d 3d3d3d summary 3d3d3d correctly classified instances 141 94 incorrectly classified instances 9 6 assume result comes best parameter setting found outer cv fold based inner cv hence might based different parameter setting cv fold correct way find parameter settings used fold outer cv kind regards roman next part html attachment scrubbed url httpslistscmswaikatoacnzpipermailwekalistattachments2008021 3d4d21fcdattachmenthtml _______________________________________________ wekalist mailing list iuxxdkqklistscmswaikatoacnz httpslistscmswaikatoacnzmailmanlistinfowekalist end wekalist digest vol 60 issue 18 tue 05 aug 2008 220948 0500 blacklisting recipient address