Thanks for the response. The help shows "Default Value:1000". But I think the default value isn't correct.
org.apache.mahout.fpm.pfpgrowth.PFPGrowth line: 285 Integer numGroups = Integer.valueOf(params.get(NUM_GROUPS, "50")); Yuji > you can do --help on the command to see the current default value for any flag On Tue, Sep 6, 2011 at 2:43 PM, yuji anzai <[email protected]> wrote: >> Hi, >> >> I tried FPGrowthJob using mahout command below. >> 1. $MAHOUT_HOME/bin/mahout fpg -i /input/retail.dat -o /output/numgdef/ >> -method mapreduce -regex '[\s]' -s 100 >> 2. $MAHOUT_HOME/bin/mahout fpg -i /input/retail.dat -o /output/numg50/ >> -method mapreduce -regex '[\s]' -s 100 --numGroups 50 >> 3. $MAHOUT_HOME/bin/mahout fpg -i /input/retail.dat -o /output/numg1000/ >> -method mapreduce -regex '[\s]' -s 100 --numGroups 1000 >> >> 1. and 2. were same results. but 3.(--numGroups 1000) was different. >> >> The document page shows numGroups default 1000. >> >> https://cwiki.apache.org/confluence/display/MAHOUT/Parallel+Frequent+Pattern+Mining >> >> I think default value is 50. Is my thinking right? >> >> Yuji
