def classfiers(X, Y, times, fold):
#用6个分类器对X，Y做交叉验证 times次数 fold折
classifier = [
SVC(kernel='linear'),
GaussianNB(),
KNeighborsClassifier(),
DecisionTreeClassifier(random_state=10),
GradientBoostingClassifier(random_state=10),
ELMClassifier()
]
acc_res = []
for clf in classifier:
if clf == classifier[-1]:
X = stdsc.fit_transform(X)
each_score = []
for i in range(times):
acc_temp = []
skf = StratifiedKFold(n_splits=fold, random_state=i, shuffle=True)
for train_index, test_index in skf.split(X, Y):
# print('Train: ',train_index,'Test: ',test_index)
X_train, X_test = X[train_index], X[test_index]
Y_train, Y_test = Y[train_index], Y[test_index]
clf.fit(X_train, Y_train)
acc1 = accuracy_score(Y_test, clf.predict(X_test))
acc_temp.append(acc1)
each_score.append(np.mean(acc_temp))
acc_res.append(np.mean(each_score))
return acc_res
def make_classifiers():
names = [
"ELM(10,tanh)", "ELM(10,tanh,LR)", "ELM(10,sinsq)", "ELM(10,tribas)",
"ELM(hardlim)", "ELM(20,rbf(0.1))"
]
nh = 10
# pass user defined transfer func
sinsq = (lambda x: np.power(np.sin(x), 2.0))
srhl_sinsq = SimpleRandomHiddenLayer(n_hidden=nh,
activation_func=sinsq,
random_state=0)
# use internal transfer funcs
srhl_tanh = SimpleRandomHiddenLayer(n_hidden=nh,
activation_func='tanh',
random_state=0)
srhl_tribas = SimpleRandomHiddenLayer(n_hidden=nh,
activation_func='tribas',
random_state=0)
srhl_hardlim = SimpleRandomHiddenLayer(n_hidden=nh,
activation_func='hardlim',
random_state=0)
# use gaussian RBF
srhl_rbf = RBFRandomHiddenLayer(n_hidden=nh * 2, gamma=0.1, random_state=0)
log_reg = LogisticRegression()
classifiers = [
ELMClassifier(srhl_tanh),
ELMClassifier(srhl_tanh, regressor=log_reg),
ELMClassifier(srhl_sinsq),
ELMClassifier(srhl_tribas),
ELMClassifier(srhl_hardlim),
ELMClassifier(srhl_rbf)
]
return names, classifiers
labelMat = mat(labelArr)
# labelMat[labelMat == -1] = 0
# labelArr = array(labelMat)
testDatArr, testLabelArr = loadDataSet(TESTDATA, low_limit, up_limit)
testLabelMat = mat(testLabelArr)
# testLabelMat[testLabelMat == -1] = 0
# testLabelArr = array(testLabelMat)
# print targets[:10]
y_train_pred = zeros(shape(labelArr))
y_preds = zeros(shape(testLabelArr))
X_test = testDatArr
y_test = testLabelArr
# clf = ELMClassifier(n_hidden=100, activation_func='gaussian', alpha=0.0, random_state=1)
# clf = ELMClassifier(n_hidden=100 000, activation_func='hardlim', alpha=1.0, random_state=0)
clf = ELMClassifier(n_hidden=100,
activation_func='hardlim',
alpha=1.0,
random_state=1)
for iter in range(2):
# y_target = mat(labelArr)
y_target = sign(mat(labelArr) - mat(y_train_pred))
print y_target
print y_train_pred
# print shape(y_target)
# iterate over classifiers
clf.fit(datArr, list(array(y_target).reshape(-1)))
y_train_pred = clf.predict(datArr)
y_pred = clf.predict(testDatArr)
acc = calcAccurary(sign(y_train_pred), labelArr)
print "Training accurarcy:\n"
print acc
acc = calcAccurary(sign(y_pred), y_test)
from sklearn.datasets import load_digits from elm import ELMClassifier # testing elm on the digits dataset digits = load_digits() X, y = digits.data, digits.target # normalization is important X /= 255 clf = ELMClassifier(n_hidden=30) clf.fit(X, y) print 'score:', clf.score(X, y)
[0.01, 0.99], 7
) # train_data.first() [4.6, 3.1, 1.5, 0.2, 0] unlabel_data.first() #[5.1, 3.5, 1.4, 0.2, 0]
unlabel_data.persist()
# 训练集属性值不含类标 用于训练
train_array = train_data.map(
lambda x: x[0:feature_num]).collect() # [4.6, 3.1, 1.5, 0.2]
# # 训练集 类标集合
train_label = train_data.map(lambda x: x[class_index]).collect()
start = time()
# 创建隐含层
srh = SimpleRandomHiddenLayer(activation_args=activation,
n_hidden=hiddenLayer_num)
# 创建ELM分类器
elmc = ELMClassifier(hidden_layer=srh)
for i in range(iter_num):
print "-" * 20 + " %d train" % (i + 1) + "-" * 20
# ############### ELM 训练 #############
print "train_array_num:", len(train_array)
#训练分类器
elmc.fit(train_array, train_label)
pred_class = elmc.predict_class(test_array)
#分类精度
soc = accuracy_score(pred_class, test_label)
print "test_soc:", soc
#对无类标的数据集进行预测 每个样例的到一个向量 然后进行软最大化处理 之后计算熵 按熵降序排序 取出前select_num 数的样例
select_result = unlabel_data.map(lambda x: (enry(x), x)).sortByKey(
ascending=False).top(select_num)
# print select_result #[(1.017120190624998, [6.1, 3.0, 4.6, 1.4, 1]), (1.016313951000489, [7.4, 2.8, 6.1, 1.9, 2]),
x)) #.map(lambda x:[float_feature(x[0:4]),iris_label_transfor(x[4])])
print split_data.collect()
test_data = split_data.sample(False, 0.2, 87)
test_array = test_data.map(lambda x: x[0:feature_num]).collect()
test_label = test_data.map(lambda x: x[class_index]).collect()
print "test_data 1%：", sum(test_label)
# 将数据集划分为训练集 与 无类标的数据集 3比7
train_data, unlabel_data = split_data.randomSplit(
[0.2, 0.8], 7
) # train_data.first() [4.6, 3.1, 1.5, 0.2, 0] unlabel_data.first() #[5.1, 3.5, 1.4, 0.2, 0]
print unlabel_data.collect()
# 创建隐含层
srh = SimpleRandomHiddenLayer(activation_args=activation,
n_hidden=hiddenLayer_num)
# 创建ELM分类器
elmc = ELMClassifier(hidden_layer=srh)
for i in range(1):
print "-" * 20 + "%d train" % (i + 1) + "-" * 20
# 训练集属性值不含类标 用于训练
train_ = train_data.map(
lambda x: x[0:feature_num]) #[4.6, 3.1, 1.5, 0.2]
#将无类标数据属性集合 不含类标用于预测
unlabel_ = unlabel_data.map(
lambda x: x[0:feature_num]) #[5.1, 3.5, 1.4, 0.2]
# 训练集 类标集合
train_label = train_data.map(lambda x: x[class_index]).collect()
print train_label
############### ELM 训练 #############
train_array = train_.collect()
print "train_array_num:", len(train_array)
up_limit = 1000
# Load training file..
datArr,labelArr = loadDataSet(INPUTDATA, low_limit, up_limit)
labelMat = mat(labelArr)
# labelMat[labelMat == -1] = 0
# labelArr = array(labelMat)
testDatArr,testLabelArr = loadDataSet(TESTDATA, low_limit, up_limit)
testLabelMat = mat(testLabelArr)
# testLabelMat[testLabelMat == -1] = 0
# testLabelArr = array(testLabelMat)
# print targets[:10]
y_train_pred = zeros(shape(labelArr)); y_preds = zeros(shape(testLabelArr))
X_test = testDatArr; y_test = testLabelArr
# clf = ELMClassifier(n_hidden=100, activation_func='gaussian', alpha=0.0, random_state=1)
# clf = ELMClassifier(n_hidden=100 000, activation_func='hardlim', alpha=1.0, random_state=0)
clf = ELMClassifier(n_hidden=100, activation_func='hardlim', alpha=1.0, random_state=1)
for iter in range(2):
# y_target = mat(labelArr)
y_target = sign(mat(labelArr) - mat(y_train_pred));
print y_target
print y_train_pred
# print shape(y_target)
# iterate over classifiers
clf.fit(datArr, list(array(y_target).reshape(-1)))
y_train_pred = clf.predict(datArr)
y_pred = clf.predict(testDatArr)
acc = calcAccurary(sign(y_train_pred), labelArr)
print "Training accurarcy:\n"
print acc
acc = calcAccurary(sign(y_pred), y_test)
print acc
from sklearn.svm import SVR
from sklearn.ensemble import RandomForestRegressor
tr, ts = res_dist(dbx, dby, RandomForestRegressor(n_estimators=15), n_runs=100, random_state=0)
hist(tr), hist(ts)
print
rhl = RBFRandomLayer(n_hidden=15, rbf_width=0.1)
tr,ts = res_dist(dbx, dby, GenELMRegressor(rhl), n_runs=100, random_state=0)
hist(tr), hist(ts)
print
"""
# <codecell>
elmc = ELMClassifier(n_hidden=1000,
activation_func='multiquadric',
alpha=0.001,
random_state=0)
elmc.fit(cusx_train, cusy_train)
print elmc.score(cusx_train, cusy_train), elmc.score(cusx_test, cusy_test)
# <codecell>
"""
elmc = ELMClassifier(n_hidden=500, activation_func='hardlim', alpha=1.0, random_state=0)
elmc.fit(dgx_train, dgy_train)
print elmc.score(dgx_train, dgy_train), elmc.score(dgx_test, dgy_test)
# <codecell>
elmr = ELMRegressor(random_state=0)
elmr.fit(xtoy_train, ytoy_train)
print elmr.score(xtoy_train, ytoy_train), elmr.score(xtoy_test, ytoy_test)
dbx_train, dbx_test, dby_train, dby_test = train_test_split(dbx, dby, test_size=0.2)
mrx, mry = make_regression(n_samples=2000, n_targets=4)
mrx_train, mrx_test, mry_train, mry_test = train_test_split(mrx, mry, test_size=0.2)
xtoy, ytoy = make_toy()
xtoy, ytoy = stdsc.fit_transform(xtoy), stdsc.fit_transform(ytoy)
xtoy_train, xtoy_test, ytoy_train, ytoy_test = train_test_split(xtoy, ytoy, test_size=0.2)
plot(xtoy, ytoy)
# <codecell>
# RBFRandomLayer tests
for af in RandomLayer.activation_func_names():
print af,
elmc = ELMClassifier(activation_func=af)
tr,ts = res_dist(irx, iry, elmc, n_runs=200, random_state=0)
# <codecell>
elmc.classes_
# <codecell>
for af in RandomLayer.activation_func_names():
print af
elmc = ELMClassifier(activation_func=af, random_state=0)
tr,ts = res_dist(dgx, dgy, elmc, n_runs=100, random_state=0)
# <codecell>
from elm import ELMClassifier
from sklearn import datasets
from elm import elmUtils, BvsbUtils
import numpy as np
#data = datasets.fetch_olivetti_faces() # 这是第1个
# data = sklearn.datasets.fetch_covtype()#这是第2个
data = datasets.load_iris() #这是第3个
# data = datasets.load_digits()#这是第4个 再前面加#屏蔽语句，把运行的打开
#data = datasets.load_wine()#这是第5个
# data = datasets.load_breast_cancer()#这是第6个
#data=elmUtils.coverDataFileToData("./data/abalone.data", targetIndex=-1, transformIndex=[0])
#data=elmUtils.readDataFileToData("data/balance-scale.data", targetIndex=0)
#data = datasets.fetch_olivetti_faces() # 稀疏矩阵,必须转换和降维
# 数据集不全为数字时，needOneHot=True, target 不为数字时，needLabelEncoder=True
#data.data,data.target=elmUtils.processingData(data.data, data.target)
#data.data=BvsbUtils.dimensionReductionWithPCA(data.data,100) #kddcpu99 维度太高，必须进行降维
print(data.data.shape)
label_size = 0.3
(train_data, test_data) = elmUtils.splitData(data.data, data.target,
1 - label_size)
elmc = ELMClassifier(n_hidden=1000,
activation_func='tanh',
alpha=1.0,
random_state=0)
elmc.fit(train_data[0], train_data[1])
print(elmc.score(test_data[0], test_data[1]))
from sklearn.calibration import CalibratedClassifierCV from elm import ELMClassifier,OSELM from sklearn.datasets import load_digits from sklearn.model_selection import train_test_split data = load_digits() x_train, x_test, y_train, y_test = train_test_split(data.data, data.target,test_size=0.7) elmc = ELMClassifier(n_hidden=1000, activation_func='tanh', alpha=1.0, random_state=0) oselm = OSELM(x_train, y_train, 1000,active_function="sigmoid") #cccv=CalibratedClassifierCV(oselm,cv=2,method="isotonic") cccv=CalibratedClassifierCV(elmc,cv=2,method="isotonic") cccv.fit(x_train,y_train) r=cccv.predict_proba(x_test) #https://blog.csdn.net/yolohohohoho/article/details/99679680 print(r)
print "\nTime: %.3f secs" % (time() - start_time)
print "Test Min: %.3f Mean: %.3f Max: %.3f SD: %.3f" % (
min(test_res), np.mean(test_res), max(test_res), np.std(test_res))
print "Train Min: %.3f Mean: %.3f Max: %.3f SD: %.3f" % (
min(train_res), np.mean(train_res), max(train_res), np.std(train_res))
print
return (train_res, test_res)
stdsc = StandardScaler()
iris = load_iris()
irx, iry = stdsc.fit_transform(iris.data), iris.target
irx_train, irx_test, iry_train, iry_test = train_test_split(irx,
iry,
test_size=0.2)
srh = SimpleRandomHiddenLayer(activation_args='sigmoid', n_hidden=500)
elmc = ELMClassifier(hidden_layer=srh)
# elmc = ELMClassifier(SimpleRandomHiddenLayer(activation_func='sigmoid'))
# print "SimpleRandomHiddenLayer(activation_func='sigmoid')"
# tr,ts = res_dist(irx, iry, elmc, n_runs=100, random_state=0)
# plt.hist(tr),plt.hist(tr)
# plt.show()
elmc.fit(irx_train, iry_train)
r = elmc.predict(irx_test)
print r
res = elmc.score(irx_test, iry_test)
print res
def simulate(trn, tst):
start = time.time()
b_tp = b_fp = b_tn = b_fn = 0
s_tp = s_fp = s_tn = s_fn = 0
b_min = s_min = 1000000
b_max = s_max = 0
b_money = s_money = 0
b_money_vec = [0]
s_money_vec = [0]
b_gain = s_gain = 0
b_loss = s_loss = 0
b_draw = s_draw = 0
b_gain_vec = []
s_gain_vec = []
b_loss_vec = []
s_loss_vec = []
b_max_drawdown = s_max_drawdown = 0
b_pos = s_pos = False
time_vec = []
aux_ii = len(tst) - 1
for t, val in enumerate(tst):
start_i = time.time()
if t == 201:
continue
if t == 0:
tst[0, 5] = id.log_return(tst[0, 0], tst[0, 3], trn[-1, 0], trn[-1,
3])
else:
tst[t, 5] = id.log_return(tst[t, 0], tst[t, 3], trn[t - 1, 0],
trn[t - 1, 3])
tst[t, 6] = mnm.get(val[5])
tst[t, 7] = obv.get_obv(val[3], val[4])
aux = bbs.sma(val[3])
if aux is not None:
tst[t, 8], tst[t, 9] = aux
aux_9 = m_9.ema(val[3])
aux12 = m12.ema(val[3])
aux26 = m26.ema(val[3])
tst[t, 10] = aux12 - aux26
tst[t, 11] = tst[t, 10] - aux_9
aux = trn[-1000:]
aux_i = [(i[1] - mn[i[0]]) * mx[i[0]] for i in enumerate(tst[t, :12])]
# aux_j = trn[-1000:, :]
b_elm = ELMClassifier(random_state=0,
n_hidden=200,
activation_func='sigmoid',
alpha=0.0)
b_elm.fit(aux[:, :12], aux[:, 12])
b_res = b_elm.predict([aux_i[:12]])
s_elm = ELMClassifier(random_state=0,
n_hidden=200,
activation_func='sigmoid',
alpha=0.0)
s_elm.fit(aux[:, :12], aux[:, 13])
s_res = s_elm.predict([aux_i[:12]])
if b_res == 1.0:
if val[12] == 1.0:
b_tp += 1
else:
b_fp += 1
if not b_pos:
# Entra
b_money -= val[3]
b_pos = True
else:
if val[12] == 0.0:
b_tn += 1
else:
b_fn += 1
if b_pos:
# Sai
b_money += val[3]
b_pos = False
if b_money < b_money_vec[-1]:
b_loss += 1
b_loss_vec.append(b_money_vec[-1] - b_money)
elif b_money > b_money_vec[-1]:
b_gain += 1
b_gain_vec.append(b_money - b_money_vec[-1])
else:
b_draw += 1
if val[14] == 1.0:
# Sai
b_money += val[3]
b_pos = False
if b_money < b_money_vec[-1]:
b_loss += 1
b_loss_vec.append(b_money_vec[-1] - b_money)
elif b_money > b_money_vec[-1]:
b_gain += 1
b_gain_vec.append(b_money - b_money_vec[-1])
else:
b_draw += 1
if b_pos:
b_money_vec.append(b_money_vec[-1])
else:
b_money_vec.append(b_money)
if b_money > b_max:
b_max = b_money
if b_money < b_min:
b_min = b_money
if s_res == 1.0:
if val[13] == 1.0:
s_tp += 1
else:
s_fp += 1
if not s_pos:
# Entra
s_money += val[3]
s_pos = True
else:
if val[13] == 0.0:
s_tn += 1
else:
s_fn += 1
if s_pos:
# Sai
s_money -= val[3]
s_pos = False
if s_money < s_money_vec[-1]:
s_loss += 1
s_loss_vec.append(s_money_vec[-1] - s_money)
elif s_money > s_money_vec[-1]:
s_gain += 1
s_gain_vec.append(s_money - s_money_vec[-1])
else:
s_draw += 1
if val[14] == 1.0:
# Sai
s_money -= val[3]
s_pos = False
if s_money < s_money_vec[-1]:
s_loss += 1
s_loss_vec.append(s_money_vec[-1] - s_money)
elif s_money > s_money_vec[-1]:
s_gain += 1
s_gain_vec.append(s_money - s_money_vec[-1])
else:
s_draw += 1
if s_pos:
s_money_vec.append(s_money_vec[-1])
else:
s_money_vec.append(s_money)
if s_money > s_max:
s_max = s_money
if s_money < s_min:
s_min = s_money
# print(aux_i + list(tst[t, 12:]))
trn = np.append(trn, [aux_i + list(tst[t, 12:])], axis=0)
time_vec.append(time.time() - start_i)
sys.stdout.write('\r' + '%6d / %d' % (t, aux_ii) + '\033[K')
sys.stdout.write('\r' + '>> %6.2f: Simulation Done!\n\n' %
(time.time() - start) + '\033[K')
print('#### ' + sys.argv[1] + ' ####')
print('Tempo médio: %f' % np.mean(time_vec))
print('Final : %5.5f | %5.5f' % (b_money, s_money))
# print('Final : %5.5f | %5.5f' % (b_money_vec[-1], s_money_vec[-1]))
print('Minimo : %5.5f | %5.5f' % (b_min, s_min))
print('Maximo : %5.5f | %5.5f' % (b_max, s_max))
print('Ganho qtd : %10d | %10d' % (b_gain, s_gain))
print('Perda qtd : %10d | %10d' % (b_loss, s_loss))
print('Empate qtd : %10d | %10d' % (b_draw, s_draw))
print('Ganho medio: %5.5f | %5.5f' %
(np.mean(b_gain_vec), np.mean(s_gain_vec)))
print('Perda media: %5.5f | %5.5f' %
(np.mean(b_loss_vec), np.mean(s_loss_vec)))
print('TP : %10d | %10d' % (b_tp, s_tp))
print('FP : %10d | %10d' % (b_fp, s_fp))
print('TN : %10d | %10d' % (b_tn, s_tn))
print('FN : %10d | %10d' % (b_fn, s_fn))
plot(b_money_vec, s_money_vec, sys.argv[1], tst[:, 3])
from elm import ELMClassifier
from sklearn import linear_model
def load_mnist(path='../Data/mnist.pkl'):
with open(path, 'rb') as f:
return cPickle.load(f)
def get_datasets(data):
_train_x, _train_y = data[0][0], np.array(data[0][1]).reshape(len(data[0][1]), 1)
_val_x, _val_y = data[1][0], np.array(data[1][1]).reshape(len(data[1][1]), 1)
_test_x, _test_y = data[2][0], np.array(data[2][1]).reshape(len(data[2][1]), 1)
return _train_x, _train_y, _val_x, _val_y, _test_x, _test_y
if __name__ == '__main__':
# Load data sets
train_x, train_y, val_x, val_y, test_x, test_y = get_datasets(load_mnist())
# Build ELM
cls = ELMClassifier(n_hidden=7000,
alpha=0.93,
activation_func='multiquadric',
regressor=linear_model.Ridge(),
random_state=21398023)
cls.fit(train_x, train_y)
# Evaluate model
print 'Validation error:', cls.score(val_x, val_y)
print 'Test error:', cls.score(test_x, test_y)
tmpX = np.array([ftr1, ftr2, ftr3, ftr4, ftr5, ftr6])
X[i] = tmpX
#Make the output from training data
y = np.zeros(len(trainData) - 3)
for i in range(0, len(trainData) - 3):
if trainData['changerange'][i+3] >= 0:
y[i] = 1
else:
y[i] = -1
srhl_tanh = SimpleRandomHiddenLayer(n_hidden=10, activation_func='tanh', random_state=0)
srhl_rbf = RBFRandomHiddenLayer(n_hidden=200*2, gamma=0.1, random_state=0)
#create ELM instance
reg = ELMRegressor(srhl_tanh)
cla = ELMClassifier(srhl_tanh)
#fit the data
reg = reg.fit(X, y)
cla = cla.fit(X, y)
#Read testing data from testing.csv
testData = pd.read_csv('testing.csv')
pdt = np.zeros(len(testData) - 3)
pdt2 = np.zeros(len(testData) - 3)
for i in range(len(testData) - 3):
ftr1 = float(testData['close'][i]) - float(testData['open'][i])
ftr2 = float(testData['close'][i+1]) - float(testData['open'][i+1])
ftr3 = float(testData['close'][i+2]) - float(testData['open'][i+2])
ftr4 = float(testData['highest'][i] - float(testData['lowest'][i]))
ftr5 = float(testData['highest'][i+1] - float(testData['lowest'][i+1]))
from sklearn.datasets import load_digits from elm import ELMClassifier # testing elm on the digits dataset digits = load_digits() X, y = digits.data, digits.target # normalization is important X/=255 clf = ELMClassifier(n_hidden=30) clf.fit(X,y) print 'score:', clf.score(X,y)
nh = 10
(ctrs, _, _) = k_means(xtoy_train, nh)
unit_rs = np.ones(nh)
#rhl = RBFRandomLayer(n_hidden=nh, activation_func='poly_spline', gamma=3)
#rhl = RBFRandomLayer(n_hidden=nh, activation_func='multiquadric', gamma=1)
rhl = RBFRandomLayer(n_hidden=nh, centers=ctrs, radii=unit_rs)
elmr = ELMRegressor(hidden_layer=rhl)
elmr.fit(xtoy_train, ytoy_train)
print elmr.score(xtoy_train, ytoy_train), elmr.score(xtoy_test, ytoy_test)
plot(xtoy, ytoy, xtoy, elmr.predict(xtoy))
# <codecell>
rbf_rhl = RBFRandomLayer(n_hidden=100, random_state=0, gamma=0.1)
elmc_rbf = ELMClassifier(hidden_layer=rbf_rhl)
elmc_rbf.fit(dgx_train, dgy_train)
print elmc_rbf.score(dgx_train, dgy_train), elmc_rbf.score(dgx_test, dgy_test)
def powtanh_xfer(activations, power=1.0):
return pow(np.tanh(activations), power)
#tanh_rhl = SimpleRandomLayer(n_hidden=5000, random_state=0)
tanh_rhl = SimpleRandomLayer(n_hidden=5000, activation_func=powtanh_xfer, activation_args={'power':2.0})
elmc_tanh = ELMClassifier(hidden_layer=tanh_rhl)
elmc_tanh.fit(dgx_train, dgy_train)
print elmc_tanh.score(dgx_train, dgy_train), elmc_tanh.score(dgx_test, dgy_test)
# <codecell>
rbf_rhl = RBFRandomLayer(n_hidden=100, gamma=0.1)
loaded_data = load_iris() # Generate test and train data data_size = np.size(loaded_data.data,0) rand_perm = np.random.permutation(data_size) # generate random permutation # Shuffle target and data shfl_data = loaded_data.data[rand_perm] shfl_target = loaded_data.target[rand_perm] # divide train data and test data offset = np.floor(data_size*0.8) # 80 percent data as training train_data = shfl_data[:offset,:] train_target = shfl_target[:offset] test_data = shfl_data[offset+1:,:] test_target = shfl_target[offset+1:] # Build ELM Classifier using default value elm_classifier = ELMClassifier() # Train ELM elm_classifier.fit(train_data,train_target) predicted_class = elm_classifier.predict(test_data) error_elm = 1.0 - elm_classifier.score(test_data, test_target) print 'Predicted Class\t\t', predicted_class print 'Original Class\t\t', test_target print 'Error Score\t\t\t', error_elm print '' #print '##############################################################\nSINGLE GEN-ELM RESULT\n##############################################################' from elm import GenELMClassifier ## Build GEN_ELM Classifier using default value #genelm_classifier = GenELMClassifier() ## Train the ELM
mry,
test_size=0.2)
xtoy, ytoy = make_toy()
xtoy, ytoy = stdsc.fit_transform(xtoy), stdsc.fit_transform(ytoy)
xtoy_train, xtoy_test, ytoy_train, ytoy_test = train_test_split(xtoy,
ytoy,
test_size=0.2)
plot(xtoy, ytoy)
# <codecell>
# RBFRandomLayer tests
for af in RandomLayer.activation_func_names():
print af,
elmc = ELMClassifier(activation_func=af)
tr, ts = res_dist(irx, iry, elmc, n_runs=200, random_state=0)
# <codecell>
elmc.classes_
# <codecell>
for af in RandomLayer.activation_func_names():
print af
elmc = ELMClassifier(activation_func=af, random_state=0)
tr, ts = res_dist(dgx, dgy, elmc, n_runs=100, random_state=0)
# <codecell>
def run(self):
rawDataset = open('../../selectedUserMore', 'r')
# Value 0 represents max number of apps => It must be set
maxValuesByFeature = [6, 4, 2, 2, 2, 0, 4, 5, 3]
datasetFeatures = []
datasetLabels = []
maxApps = self.findMaxNumberOfApps(rawDataset)
# Setting max number of apps
maxValuesByFeature[5] = maxApps
rawDataset.seek(0)
for line in rawDataset:
tuples = line.split(';')
for t in range(len(tuples)):
tup = tuples[t]
vals = tup.split(',')
label = vals[0]
features = vals[1].split('_')
datasetFeatures.append(features)
datasetLabels.append(label)
rawDataset.close()
nTuples = len(datasetLabels)
nTrain = int(0.7 * nTuples)
nMaxHidden = 3005
totalAccuracy = 0.0
trainSetFeatures = np.array(datasetFeatures[:nTrain], dtype=np.int)
trainSetLabels = np.array(datasetLabels[:nTrain], dtype=np.int)
testSetFeatures = np.array(datasetFeatures[nTrain:], dtype=np.int)
testSetLabels = np.array(datasetLabels[nTrain:], dtype=np.int)
# for x in range(200,nMaxHidden):
ffsn = ELMClassifier(n_hidden=1000, activation_func='sine')
ffsn.fit(trainSetFeatures, trainSetLabels)
results = ffsn.predict(testSetFeatures)
nPredictedCorrectly = 0
for test in range(len(testSetLabels)):
realValue = testSetLabels[test]
predictedValue = results[test]
if (int(realValue) == int(predictedValue)):
nPredictedCorrectly += 1
# print "Real: " + str(realValue) + " / Predicted: " + str(predictedValue)
totalTests = nTuples - nTrain
accuracy = float(nPredictedCorrectly) / totalTests
# print "N Hidden: " + str(x) + " / Accuracy: " + str(accuracy)
print "Accuracy: " + str(accuracy)
totalAccuracy += accuracy
def run(self):
rawDataset = open('../../selectedUserMore', 'r')
# Value 0 represents max number of apps => It must be set
maxValuesByFeature = [6,4,2,2,2,0,4,5,3]
datasetFeatures = []
datasetLabels = []
maxApps = self.findMaxNumberOfApps(rawDataset)
# Setting max number of apps
maxValuesByFeature[5] = maxApps
rawDataset.seek(0)
for line in rawDataset:
tuples = line.split(';')
for t in range(len(tuples)):
listFeatureNeurons = []
listLabelNeurons = []
tup = tuples[t]
vals = tup.split(',')
label = vals[0]
features = vals[1].split('_')
for feature in range(len(features)):
val = features[feature]
listFeatureNeurons += self.createNeuronInput(val, maxValuesByFeature[feature])
listLabelNeurons += self.createNeuronInput(label, maxApps)
datasetFeatures.append(listFeatureNeurons)
datasetLabels.append(listLabelNeurons)
rawDataset.close()
nTuples = len(datasetLabels)
nTrain = int(0.7 * nTuples)
nMaxHidden = 3005
totalAccuracy = 0.0
trainSetFeatures = datasetFeatures[:nTrain]
trainSetLabels = datasetLabels[:nTrain]
testSetFeatures = datasetFeatures[nTrain:]
testSetLabels = datasetLabels[nTrain:]
# for x in range(200,nMaxHidden):
print testSetLabels
ffsn = ELMClassifier(n_hidden=100, activation_func='sigmoid')
ffsn.fit(trainSetFeatures, trainSetLabels)
mrx, mry = make_regression(n_samples=2000)
mrx_train, mrx_test, mry_train, mry_test = train_test_split(mrx,
mry,
test_size=0.2)
xtoy, ytoy = make_toy()
xtoy, ytoy = stdsc.fit_transform(xtoy), stdsc.fit_transform(ytoy)
xtoy_train, xtoy_test, ytoy_train, ytoy_test = train_test_split(xtoy,
ytoy,
test_size=0.2)
plot(xtoy, ytoy)
# <codecell>
# RBF tests
elmc = ELMClassifier(RBFRandomHiddenLayer(activation_func='gaussian'))
tr, ts = res_dist(irx, iry, elmc, n_runs=100, random_state=0)
elmc = ELMClassifier(
RBFRandomHiddenLayer(activation_func='poly_spline', gamma=2))
tr, ts = res_dist(irx, iry, elmc, n_runs=100, random_state=0)
elmc = ELMClassifier(RBFRandomHiddenLayer(activation_func='multiquadric'))
tr, ts = res_dist(irx, iry, elmc, n_runs=100, random_state=0)
# Simple tests
elmc = ELMClassifier(SimpleRandomHiddenLayer(activation_func='sine'))
tr, ts = res_dist(irx, iry, elmc, n_runs=100, random_state=0)
elmc = ELMClassifier(SimpleRandomHiddenLayer(activation_func='tanh'))
tr, ts = res_dist(irx, iry, elmc, n_runs=100, random_state=0)
