def LinearReg():
linreg = skl.LinearRegression()
for dataset in kk.getDatasets(binary=False):
print('Dataset Name:', dataset.DESCR[0:10])
X = dataset.data
Y = dataset.target
X_scaled = skp.scale(X)
print('Without Preprocessing Score:', kk.fitModel(linreg, X, Y))
print('With Preprocessing Score:', kk.fitModel(linreg, X_scaled, Y))
def LogReg():
logregCV = skl.LogisticRegressionCV()
for dataset in kk.getDatasets(binary=True):
print('Dataset Name:', dataset.DESCR[0:10])
X = dataset.data
Y = dataset.target
X_scaled = skp.scale(X)
logreg = logregCV
print('Without Preprocessing Score:', kk.fitModel(logreg, X, Y))
print('With Preprocessing Score:', kk.fitModel(logreg, X_scaled, Y))
def trailAndError(M):
scores = {}
n_texamples = 100
print('Training set/Dimension Count/Tree Depth:')
for i in range(1, M + 1):
model = skt.DecisionTreeRegressor(max_depth=i)
m = 100 * i
n_f = 10 * i
n_classes = i
if (n_f > 10**6):
n_f = 10**6
print('%d - %d - %d' % (n_texamples, n_f, m))
(X, Y) = kk.genData(n_features=n_f,
n_classes=n_classes,
m=n_texamples,
target='C')
sc, _ = kk.fitModel(model, X, Y, cv=False, ncv=0, roc_stats=False)
scores[i] = sc
if sc < 100:
print('***************Score is ', sc)
del model
import matplotlib.pyplot as plt
plt.plot(scores.keys(), scores.values())
plt.xlabel('Max Depth')
plt.ylabel('Score')
plt.grid(True)
plt.show()
del plt
kk.plot2D(scores.keys(), scores.values(),\
X_label='Score', Y_label='Max Depth', scatter=False)
lasreg = skl.LassoCV()
logreg = skl.LogisticRegressionCV()
scores = []
'''
# Experimental Part
for n_components in range(60,65):
print('Number of components:',n_components)
pca = pca.set_params(n_components=n_components)
X = dataset.data
X = kk.MeanNormalizer(X)
X = pca.fit_transform(X)
score,best_cv = kk.fitModel(linreg, X, Y, cv=True, ncv = 10)
cvs.append(best_cv)
scores.append(score)
'''
# BEST SCORE CLASSIFICATION
pca = skD.PCA()
for dataset in kk.getDatasets():
print('Dataset Name:', dataset.DESCR[0:10])
X = dataset.data
Y = dataset.target
#pca.set_params(n_components=X.shape[1]-2)
X = pca.fit_transform(X)
X = kk.MeanNormalizer(X) # This step makes a diff for Ridge and Lasso
Y = dataset.target
fsc = kk.fitModel(linreg, X, Y)
print('Scores:%.2f, %.2f, %.2f, %.2f'%(kk.fitModel(linreg, X, Y), \
kk.fitModel(rreg, X,Y), kk.fitModel(lasreg, X,Y),
0.00))
Rscores = []
Pscores = []
Sscores = []
for i in range(1, 50):
num_dims = 10 * i
n_samples = 2**i
(X, Y) = skd.make_moons(n_samples=n_samples)
X_train, X_test, Y_train, Y_test = sk.model_selection.train_test_split(X, Y, \
test_size=0.3,random_state=123)
svcl = svm.SVC(kernel='linear')
svcr = svm.SVC(kernel='rbf')
svcp = svm.SVC(kernel='poly')
svcsig = svm.SVC(kernel='sigmoid')
scl, _ = kk.fitModel(svcl, X, Y, plotModel=False, roc_stats=False)
scr, _ = kk.fitModel(svcr, X, Y, plotModel=False, roc_stats=False)
scp, _ = kk.fitModel(svcp, X, Y, plotModel=False, roc_stats=False)
scs, _ = kk.fitModel(svcsig, X, Y, plotModel=False, roc_stats=False)
#kk.compare_models([svcl,svcr,svcp,svcsig], X_test, Y_test)
#print(svcl.support_vectors_)
Pscores.append(scp)
Sscores.append(scs)
Lscores.append(scl)
Rscores.append(scr)
#print('Scores:%f %f'%(scl,scr))
Y = list(range(1, len(Lscores) + 1))
Y = np.multiply(Y, 10)
import matplotlib.pyplot as plt
import time
bscores = []
linscores = []
logscores = []
linreg = sk.linear_model.LinearRegression()
logreg = sk.linear_model.LogisticRegressionCV()
breg = sk.naive_bayes.GaussianNB()
st = time.time()
X, Y = skd.make_moons(n_samples=10000, random_state=123)
X_train,X_test, Y_train,Y_test = skm.train_test_split(X, Y, \
test_size=0.3,random_state=123)
sc, linreg = kk.fitModel(linreg, X, Y, roc_stats=False)
sc, logreg = kk.fitModel(logreg, X, Y, roc_stats=False)
sc, breg = kk.fitModel(breg, X, Y, roc_stats=False)
kk.compare_models([linreg, logreg, breg], X_test, Y_test)
'''
for i in range(1,20):
samples = 1000 * i
print('Number of samples:',samples)
X,Y = skd.make_moons(n_samples=samples,random_state=123)
#X,Y = skd.make_circles(n_samples=1000)
#kk.plot2D(X,properties=False)
linscores.append(kk.fitModel(linreg, X,Y))
logscores.append(kk.fitModel(logreg, X,Y))
print ('Dataset Name:',dataset.DESCR[0:10])
X = dataset.data
Y = dataset.target
X = kk.MeanNormalizer(X)
n_comp = X.shape[1] - cnt
if n_comp <= 0:
n_comp = X.shape[1]
pca.set_params(n_components = n_comp)
X = pca.fit_transform(X)
print('Score:',kk.fitModel(bayes, X, Y))
del X,Y
'''
gauss = skn.GaussianNB()
bernoulli =skn.BernoulliNB()
multi = skn.MultinomialNB()
for dataset in kk.getDatasets(binary=True):
#dataset = skd.load_breast_cancer()
print ('Dataset Name:',dataset.DESCR[0:20],'\n=================================')
X = dataset.data + np.random.random(size=(dataset.data.shape))
Y = dataset.target
if(len(np.unique(Y)) > 2):
bernoulli.set_params(binarize=True)
else:
print('Binary Classification')
X = kk.MeanNormalizer(X)
pca.set_params(n_components=np.random.randint(1, X.shape[1]+1))
X = pca.fit_transform(X)
kk.fitModel(bayes,X,Y)
kk.fitModel(gauss, X, Y,dsetProps=False)
kk.fitModel(bernoulli, X, Y, dsetProps=False)
#kk.fitModel(multi, X, Y, dsetProps= False,cv=False)