def __init__(self, filename_, minsupp,thrshld):
stringlist.__init__(self)
self.db = DB(filename_, minsupp)
self.CandidateTerms = []
self.FreqCandidates = []
self.Candidates = []
self.threshold = thrshld
stringlist.extend(self,self.db.T)
self.getCandidates()
self.trashterms = []
totalmensions = 0.0
for candidate in self.Candidates:
totalmensions += candidate[0]
for candidate in self.Candidates:
candidate[0] /= totalmensions
if candidate[0] > self.threshold:
stringlist.append(self,candidate[1])
self.normalizeterms()
def __init__(self, filename_, minsupp, thrshld):
stringlist.__init__(self)
self.db = DB(filename_, minsupp)
self.CandidateTerms = []
self.FreqCandidates = []
self.Candidates = []
self.threshold = thrshld
stringlist.extend(self, self.db.T)
self.getCandidates()
self.trashterms = []
totalmensions = 0.0
for candidate in self.Candidates:
totalmensions += candidate[0]
for candidate in self.Candidates:
candidate[0] /= totalmensions
if candidate[0] > self.threshold:
stringlist.append(self, candidate[1])
self.normalizeterms()
def recompute(self, mins, thresh):
self.CandidateTerms = []
self.FreqCandidates = []
self.Candidates = []
self.threshold = thresh
stringlist.__init__(self)
self.db.getCandidateTermsMinsupp(mins)
self.extend(self.db.T)
self.getCandidates()
totalmensions = 0.0
for candidate in self.Candidates:
totalmensions += candidate[0]
for candidate in self.Candidates:
candidate[0] /= totalmensions
if candidate[0] > self.threshold:
stringlist.append(self,candidate[1])
for trashterm in self.trashterms:
if trashterm in self:
stringlist.remove(self,trashterm)
self.normalizeterms()
def recompute(self, mins, thresh):
self.CandidateTerms = []
self.FreqCandidates = []
self.Candidates = []
self.threshold = thresh
stringlist.__init__(self)
self.db.getCandidateTermsMinsupp(mins)
self.extend(self.db.T)
self.getCandidates()
totalmensions = 0.0
for candidate in self.Candidates:
totalmensions += candidate[0]
for candidate in self.Candidates:
candidate[0] /= totalmensions
if candidate[0] > self.threshold:
stringlist.append(self, candidate[1])
for trashterm in self.trashterms:
if trashterm in self:
stringlist.remove(self, trashterm)
self.normalizeterms()