Example #1
0
File: base.py Project: gic888/MIEN
	def resume(self, fname=None):
		'''Resume a run from stored data. This is an alternative to self.prep. If fname isn't specified it defaults to self.attrib("File").'''
		self.initialize_vars()
		if not fname:
			fname=self.attrib("File")
		if not ast.verify(fname, self._storesize):
			self.report("can't resume. %s is not an appropriate storage file" % fname)
			self.prep()
			return 
		self._store=ast.ArrayStore(fname, 'w') 
		self._nunits = len(self._store)
		fit=self._store.getColumn(0)
		if self.attrib('Maximize'):
			bid=argmin(fit)	
		else:
			bid=argmin(fit)	
		self._best=(fit[bid], bid)
		self.report("Resume complete. %i units. Best %.4f, Mean %.4f" % (self._nunits, self._best[0], self.fit.mean()))
		self.setAttrib('File', fname)
Example #2
0
File: gui.py Project: gic888/MIEN
	def getChrom(self, id=None):
		if not id:
			l=self.askParam([{
							"Name":"Mode",
							"Type":"List",
							"Value":["Ordinal", "Index", "Fitness"]
							},{
							"Name":"Value",
							"Value":0.0
							}
							])
			if not l:
				return
			fit=self.ast.getColumn(0)	
			if l[0].startswith("I"):
				id=int(l[1])
			elif l[0].startswith("O"):
				id=argsort(fit)[int(l[1])]
			else:
				id=argmin(abs(fit-l[1]))
			self.report("Selected Unit %i (fitness %.4f)" % (id, fit[id]))
		return self.ast[id]