def plot(self):
plt.grid(True)
plt.xlabel(r'$P[x=k]$')
plt.ylabel(r'$k$')
plt.title(u'Distribución Geométrica' + ' $f_x(x; n, p)$')
plt.text(
Maths.convertToDecimal(self.success) - 1, self.probability - .1,
r'$\mu_x=' + str(self.med) + ',\ \sigma^2_x=' + str(self.var) +
'$' + ', $f_x(x; n, p)=' + str(self.probability) + '$')
plt.text(
Maths.convertToDecimal(self.success), self.probability + 0.03,
r'$k=' + str(self.success) + ',\ P[x=k]=' + str(self.probability) +
'$')
plt.plot([float(Maths.convertToDecimal(self.success))],
[self.probability], 'ro')
plt.axis([
0,
float(Maths.convertToDecimal(self.success)) + 10, 0,
float(self.probability) + 10
])
list_aux = []
list_k = []
for i in range(0, int(self.essays)):
self.binomial.set_X(i)
probability = self.binomial.getProbability()
list_aux.append(probability)
list_k.append(i)
k = i
i += 1
plt.plot([list_k], [list_aux], marker='o', linestyle='--')
plt.show()
def maketop(self):
self.success = self.entry_1.get()
self.essays = self.entry_2.get()
self.probability = Maths.convertToDecimal(self.entry_3.get())
binomial = NegativeBinomial(self.entry_1.get(), self.entry_2.get(),
self.entry_3.get())
self.binomial = binomial
results_list = [[u"Probabilidad: ",
binomial.getProbability()],
[u"Media: ", binomial.getMed()],
[u"Varianza: ", binomial.getVar()]]
self.probability = binomial.getProbability()
self.med = binomial.getMed()
self.var = binomial.getVar()
print "click!"
print self.results_list
top = Results_View.ResultsView(self.master, results_list)
self.plot()
def getProbability(self):
n = self.n
p = self.p
k = self.x
return float(
Maths.Combination(n - 1, k - 1) * (p**k) * ((1 - p)**(n - k)))
def __init__(self, x, n, p):
self.p = Maths.convertToDecimal(p)
self.failure = 1 - self.p
self.x = int(x)
self.n = int(n)
def getVar(self):
var = (1.0 / self.space) * Maths.infinite_sum(
self.START, self.space, lambda x: (x - self.getMed())**2)
return var
def getMed(self):
med = (1.0 / self.space) * Maths.infinite_sum(self.START, self.space,
lambda x: x)
return med
def __init__(self, success, x):
self.success = int(success)
print "success: ", self.success
self.failure = 1 - self.success
self.x = Maths.convertToDecimal(x)
print "X", self.x