Example #1
0
def paint_graphic(X, y, true_score, theta1, theta2, mu, sigma):     
    figure, ax = plt.subplots()
    
    pos = (y == 1).ravel()
    neg = (y == 0).ravel()
    plt.scatter(X[pos, 0], X[pos, 1], color='blue', marker='o', label = "Legendary")
    plt.scatter(X[neg, 0], X[neg, 1], color='black', marker='x', label = "Non legendary")   
    
    x0_min, x0_max = X[:,0].min(), X[:,0].max()
    x1_min, x1_max = X[:,1].min(), X[:,1].max()
    xx1, xx2 = np.meshgrid(np.linspace(x0_min, x0_max), np.linspace(x1_min, x1_max))
    
    aux = np.c_[ xx1.ravel(), xx2.ravel()]
    p, aux = polinomial_features(aux, 5)
    aux = Normalization.normalize(aux[:, 1:], mu, sigma)
    sigm = forward_propagate(aux, theta1, theta2)[4]
    sigm = np.reshape(sigm, np.shape(xx1))
    plt.contour(xx1, xx2, sigm, [0.5], linewidths = 1, colors=['red', 'purple'])

    #formatting the graphic with some labels
    plt.xlabel("weight_kg")
    plt.ylabel("speed")
    plt.suptitle(("Score: " + str(float("{0:.3f}".format(true_score)))))
    figure.legend()

    #set the labels to non-normalized values
    figure.canvas.draw()
    labels = [item for item in plt.xticks()[0]]
    for i in range(len(labels)):
        labels[i] = int(round((labels[i] * sigma[0, 0]) + mu[0, 0], -1))
    ax.xaxis.set_ticklabels(labels)

    labels = [item for item in plt.yticks()[0]]
    for i in range(len(labels)):
        labels[i] = int(round((labels[i] * sigma[0, 1]) + mu[0, 1], -1))
    ax.yaxis.set_ticklabels(labels)
    
    plt.show()
    currentTrainY = (trainY == j) * 1
    currentValidationY = (validationY == j) * 1
    currentTestingY = (testingY == j) * 1
    current_svm, C, s = eleccion_parametros_C_y_Sigma(trainX, currentTrainY,
                                                      validationX,
                                                      currentValidationY, mu,
                                                      sigma)
    current_score = true_score(testingX, currentTestingY, current_svm)
    if np.shape(trainX)[1] == 2:
        draw_decisition_boundary(testingX, currentTestingY, current_svm,
                                 current_score, mu, sigma, C, s,
                                 Data_Management.getTypeByIndex(j))
    svms.append(current_svm)
    print("Score con los ejemplos de testing: " + str(current_score) +
          " Type: " + Data_Management.getTypeByIndex(j))

while True:
    user_values = np.array(list(map(float,
                                    input("Gimme stats: ").split())),
                           dtype=float)  # (features, )
    if user_values.size == 0:
        break
    user_values = np.reshape(user_values, (np.shape(user_values)[0], 1))
    user_values = np.transpose(user_values)
    user_values = polynomial_features(user_values, grado)
    user_values = Normalization.normalize(user_values[:, 1:], mu,
                                          sigma)  #normalization of user values
    sec, pokemon_type = predict_type(user_values, svms)
    print("Predicted type: " + Data_Management.getTypeByIndex(pokemon_type) +
          ". Probability of that type: " + str(sec) + "\n")