mat = pd.DataFrame([[1, 0, 1, 0, 0, 1, 0], [0, 1, 0, 1, 0, 1, 0],
[0, 1, 0, 0, 1, 0, 1], [1, 0, 0, 1, 0, 1, 0]],
dtype=np.float64)
lbl = np.array([0, 1, 1, 0], dtype=np.float64)
# fitting input matrix and label on linear nbm object
nbm = MultinomialNB(alpha=1.4).fit(mat, lbl)
nbm.debug_print()
print("predicting on nbm multinomial classifier model: ")
mnb = nbm.predict(mat)
print(mnb)
print("Accuracy of model")
nbm.score(mat, lbl)
nbm2 = BernoulliNB(alpha=1.4).fit(mat, lbl)
nbm2.debug_print()
print("predicting on nbm bernoulli classifier model: ")
bnb = nbm2.predict(mat)
print(bnb)
print("Accuracy of model")
nbm2.score(mat, lbl)
if (lbl == mnb).all() and (lbl == bnb).all():
print("Status: Passed")
else:
print("Status: Failed")
nbm.release()
nbm2.release()
FrovedisServer.shut_down()
# Objective: When alpha is negative
# initializing the Frovedis server
argvs = sys.argv
argc = len(argvs)
if (argc < 2):
print 'Please give frovedis_server calling command as the first argument \n(e.g. "mpirun -np 2 -x /opt/nec/nosupport/frovedis/ve/bin/frovedis_server")'
quit()
FrovedisServer.initialize(argvs[1])
mat = pd.DataFrame([[1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0],
[0, 1, 0, 1, 0, 1, 0],
[0, 1, 0, 0, 1, 0, 1],
[1, 0, 0, 1, 0, 1, 0]])
lbl = np.array([0, 1, 1, 0])
# fitting input matrix and label on linear nbm object
try:
nbm = MultinomialNB(alpha=-1.0).fit(mat,lbl)
nbm2 = BernoulliNB(alpha=-1.0).fit(mat,lbl)
except ValueError, e:
print("Status: Passed")
else:
print("Status: Failed")
nbm.release()
nbm2.release()
FrovedisServer.shut_down()
FrovedisServer.initialize(argvs[1])
mat = np.asmatrix([[1, 0, 1, 0, 0, 1, 0],
[0, 1, 0, 1, 0, 1, 0],
[0, 1, 0, 0, 1, 0, 1],
[1, 0, 0, 1, 0, 1, 0]],dtype=np.float64)
lbl = np.array([0, 1, 1, 0],dtype=np.float64)
# fitting input matrix and label on linear nbm object
nbm = MultinomialNB(alpha=1, fit_prior=True, class_prior=None, verbose = 0).fit(mat,lbl)
nbm.debug_print()
print("predicting on nbm multinomial classifier model: ")
mnb = nbm.predict(mat)
print("Accuracy of model", nbm.score(mat,lbl))
nbm2 = BernoulliNB(alpha=1.0,fit_prior=True,class_prior=None,binarize=0.0,verbose=0).fit(mat,lbl)
nbm2.debug_print()
print("predicting on nbm bernoulli classifier model: ")
bnb = nbm2.predict(mat)
print("Accuracy of model", nbm2.score(mat,lbl))
if (lbl == mnb).all() and (lbl == bnb).all():
print("Status: Passed")
else:
print("Status: Failed")
nbm.release()
nbm2.release()
FrovedisServer.shut_down()
from frovedis.mllib.naive_bayes import MultinomialNB, BernoulliNB
import sys
import numpy as np
import pandas as pd
# Objective: testing with dataframe matrix and numpy label
# initializing the Frovedis server
argvs = sys.argv
argc = len(argvs)
if (argc < 2):
print 'Please give frovedis_server calling command as the first argument \n(e.g. "mpirun -np 2 -x /opt/nec/nosupport/frovedis/ve/bin/frovedis_server")'
quit()
FrovedisServer.initialize(argvs[1])
mat = pd.DataFrame([[1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0],
[0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0],
[0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0],
[1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0]])
lbl = np.array([0.0, 1.0, 1.0, 0.0])
# one-liner prediction
ret1 = MultinomialNB(alpha=1.0).fit(mat, lbl).predict(mat)
ret2 = BernoulliNB(alpha=1.0).fit(mat, lbl).predict(mat)
if (ret1 == lbl).all() and (ret2 == lbl).all():
print("Status: Passed")
else:
print("Status: Failed")
FrovedisServer.shut_down()
from frovedis.mllib.naive_bayes import BernoulliNB
import sys
import numpy as np
import pandas as pd
#Objective : When empty array given to label
# initializing the Frovedis server
argvs = sys.argv
argc = len(argvs)
if (argc < 2):
print 'Please give frovedis_server calling command as the first argument \n(e.g. "mpirun -np 2 -x /opt/nec/nosupport/frovedis/ve/bin/frovedis_server")'
quit()
FrovedisServer.initialize(argvs[1])
mat = pd.DataFrame([[1, 0, 1, 0, 0, 1, 0], [0, 1, 0, 1, 0, 1, 0],
[0, 1, 0, 0, 1, 0, 1], [1, 0, 0, 1, 0, 1, 0]],
dtype=np.float64)
lbl = np.array([], dtype=np.float64)
# fitting input matrix and label on linear nbm object
try:
nbm = BernoulliNB(alpha=1, fit_prior=True, class_prior=None,
verbose=0).fit(mat, lbl)
except ValueError, e:
print("Status: Passed")
else:
print("Status: Failed")
FrovedisServer.shut_down()
FrovedisServer.initialize(argvs[1])
#mat = np.random.randint(5, size=(6, 100))
#lbl = np.array([1, 2, 1, 1, 2, 1])
mat = pd.DataFrame([[1, 0, 1, 0, 0, 1, 0], [0, 1, 0, 1, 0, 1, 0],
[0, 1, 0, 0, 1, 0, 1], [1, 0, 0, 1, 0, 1, 0]],
dtype=np.float64)
lbl = np.array([0, 1, 1, 0], dtype=np.float64)
nbm = MultinomialNB(alpha=1.0).fit(mat, lbl)
nbm.debug_print()
print("predicting on nbm multinomial classifier model: ")
nbmc = nbm.predict(mat)
print("Accuracy of model: ", nbm.score(mat, lbl))
nbm2 = BernoulliNB(alpha=1.0).fit(mat, lbl)
nbm2.debug_print()
print("predicting on nbm bernoulli classifier model: ")
nbbc = nbm2.predict(mat)
print("Accuracy of model: ", nbm2.score(mat, lbl))
from sklearn.naive_bayes import MultinomialNB
clb = MultinomialNB(alpha=1.0).fit(mat, lbl)
from sklearn.naive_bayes import BernoulliNB
clf = BernoulliNB(alpha=1.0).fit(mat, lbl)
if (clf.predict(mat) == nbbc).all() and (clb.predict(mat) == nbmc).all():
print("Status: Passed")
else:
print("Status: Failed")
quit()
FrovedisServer.initialize(argvs[1])
# Demo of Multinomial Naive Bayes
mat = FrovedisCRSMatrix(dtype=np.float64).load("./input/multi.txt")
lbl = np.array([1.0,0.0,1.0,1.0,1.0,0.0,1.0,1.0])
nbm1 = MultinomialNB(alpha=1.0).fit(mat,lbl)
print("\nmultinomial model: ")
nbm1.debug_print()
mnb = nbm1.predict(mat)
print("prediction on multinomial classifier model: ", mnb)
print("accuracy of model: ", nbm1.score(mat,lbl))
# Demo of Bernoulli Naive Bayes
mat = FrovedisCRSMatrix(dtype=np.float64).load("./input/bern.txt")
lbl = np.array([1.0,0.0,1.0,1.0,1.0,0.0,1.0,1.0])
nbm2 = BernoulliNB(alpha=1.0).fit(mat,lbl)
print("\nbernoulli model: ")
nbm2.debug_print()
bnb = nbm2.predict(mat)
print("prediction on bernoulli classifier model: ", bnb)
print("accuracy of model", nbm2.score(mat,lbl))
# Clean-up
nbm1.release()
nbm2.release()
FrovedisServer.shut_down()
# initializing the Frovedis server
argvs = sys.argv
argc = len(argvs)
if (argc < 2):
print(
'Please give frovedis_server calling command as the first argument \n(e.g. "mpirun -np 2 /opt/nec/frovedis/ve/bin/frovedis_server")'
)
quit()
from frovedis.exrpc.server import FrovedisServer
FrovedisServer.initialize(argvs[1])
# classification data
from sklearn.datasets import load_breast_cancer
mat, lbl = load_breast_cancer(return_X_y=True)
mnb = MultinomialNB(alpha=1.0).fit(mat, lbl)
pred = mnb.predict(mat)
print("prediction on multinomial classifier model: ")
print(pred)
print("prediction accuracy: %.4f" % (mnb.score(mat, lbl)))
bnb = BernoulliNB(alpha=1.0).fit(mat, lbl)
pred = bnb.predict(mat)
print("prediction on bernoulli classifier model: ")
print(pred)
print("prediction accuracy: %.4f" % (bnb.score(mat, lbl)))
# Clean-up
FrovedisServer.shut_down()