def bestCentroid(onelist):
centroids = list()
med = list()
a=1
cont=0
while (a==1):
c1, c2, c3, cent1, cent2, cent3 = funcoes.centroide(onelist)
a = 0
b = 0
c = 0
try:
for i in cent1:
a= a + funcoes.distanciaeuclidiana(c1,i)
med1= a/len(cent1)
except(ZeroDivisionError):
med1 = 6
try:
for i in cent2:
b= b + funcoes.distanciaeuclidiana(c2,i)
med2= b/len(cent2)
except(ZeroDivisionError):
med2 = 6
try:
for i in cent3:
c= c + funcoes.distanciaeuclidiana(c3,i)
med3= c/len(cent3)
except(ZeroDivisionError):
med3 = 6
media = (med1+med2+med3)/3
cont = cont+1
#print(cont, media)
if (media<= 3.5):
a = 0
centroids.append(c1)
centroids.append(c2)
centroids.append(c3)
medias = media
med.append(med1)
med.append(med2)
med.append(med3)
else:
a=1
return (medias,centroids,med)
def bestCentroid(onelist):
centroids = list()
medias = list()
for it in range(0,600):
c1, c2, c3, cent1, cent2, cent3 = funcoes.centroide(onelist)
centroids.append([c1,c2,c3])
a = 0
b = 0
c = 0
try:
for i in cent1:
a= a + funcoes.distanciaeuclidiana(c1,i)
med1= a/len(cent1)
except(ZeroDivisionError):
med1 = 6
try:
for i in cent2:
b= b + funcoes.distanciaeuclidiana(c2,i)
med2= b/len(cent2)
except(ZeroDivisionError):
med2 = 6
try:
for i in cent3:
c= c + funcoes.distanciaeuclidiana(c3,i)
med3= c/len(cent3)
except(ZeroDivisionError):
med3 = 6
media = (med1+med2+med3)/3
medias.append(media)
newlist= list(zip(medias,centroids))
newlist.sort(key=lambda tup: tup[0])
return (newlist[0])
