I dont remember about the (/2) part. But the line was supposed to get the min support of the mined conditional tree and raise the minSupportValue for subsequent mining of conditional trees up the header table. Does that make sense?
Robin On Tue, Jun 28, 2011 at 3:32 AM, Yarco Hayduk <[email protected]> wrote: > Hi, > > I'm having trouble understanding some of the code in the FP-Growth > algorithm. > > What is the purpose of the > > minSupportValue = Math.max(minSupportValue, > minSupport.longValue() / 2); > > line. When exactly can the minsup value change? > > yarco;) >
