On Fri, Mar 11, 2011 at 2:55 AM, Graham Williams <graham.willi...@togaware.com> wrote: > Did you scroll down the window to see the rules? OK, it takes a long time for rattle to show the rules, about 30 seconds, and why the message on the status bar is "the decision tree model has been built. Time taken:0.01 secs", I have attached the little dataset used to do the test.
Another question, why the confidence of the rules are all 1 ? > > Regards, > Graham > > > > > On 10 March 2011 02:07, Xiaobo Gu <guxiaobo1...@gmail.com> wrote: >> Hi, >> I am using Rattle 2.6.4 with R 2.12.2 on win64, is this a bug ? >> >> Following is the content after execute the associate analysis process: >> >> Summary of the Apriori Association Rules: >> >> Number of Rules: 23351 >> >> Summary of the Measures of Interestingness: >> >> support confidence lift >> Min. :0.1250 Min. :1 Min. :2.667 >> 1st Qu.:0.1250 1st Qu.:1 1st Qu.:2.667 >> Median :0.1250 Median :1 Median :4.000 >> Mean :0.1314 Mean :1 Mean :3.983 >> 3rd Qu.:0.1250 3rd Qu.:1 3rd Qu.:4.000 >> Max. :0.3750 Max. :1 Max. :8.000 >> >> Summary of the Execution of the Apriori Command: >> >> parameter specification: >> confidence minval smax arem aval originalSupport support minlen >> maxlen target ext >> 0.8 0.1 1 none FALSE TRUE 0.1 1 >> 10 rules FALSE >> >> algorithmic control: >> filter tree heap memopt load sort verbose >> 0.1 TRUE TRUE FALSE TRUE 2 TRUE >> >> apriori - find association rules with the apriori algorithm >> version 4.21 (2004.05.09) (c) 1996-2004 Christian Borgelt >> set item appearances ...[0 item(s)] done [0.00s]. >> set transactions ...[35 item(s), 8 transaction(s)] done [0.00s]. >> sorting and recoding items ... [35 item(s)] done [0.00s]. >> creating transaction tree ... done [0.00s]. >> checking subsets of size 1 2 3 4 5 6 7 8 9 10 done [0.00s]. >> writing ... [23351 rule(s)] done [0.00s]. >> creating S4 object ... done [0.01s]. >> >> Time taken: 0.01 secs >> >> Rattle timestamp: 2011-03-09 23:00:14 dell >> ====================================================================== >> >> >> Xiaobo Gu >> >
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