tra-analysis/analysis-master/tra_analysis/NaiveBayes.py
Arthur Lu 6647dcfd72 generalized keyword argument handling for:
Clustering.py, CorrelationTest.py, KNN.py, NaiveBayes.py
2022-02-08 07:29:47 +00:00

67 lines
2.1 KiB
Python

# Titan Robotics Team 2022: NaiveBayes submodule
# Written by Arthur Lu
# Notes:
# this should be imported as a python module using 'from tra_analysis import NaiveBayes'
# setup:
__version__ = "1.0.2"
__changelog__ = """changelog:
1.0.2:
- generalized optional args to **kwargs
1.0.1:
- optimized imports
1.0.0:
- ported analysis.NaiveBayes() here
- removed classness
"""
__author__ = (
"Arthur Lu <learthurgo@gmail.com>",
)
__all__ = [
'gaussian',
'multinomial',
'bernoulli',
'complement',
]
import sklearn
from . import ClassificationMetric
def gaussian(data, labels, test_size = 0.3, **kwargs):
data_train, data_test, labels_train, labels_test = sklearn.model_selection.train_test_split(data, labels, test_size=test_size, random_state=1)
model = sklearn.naive_bayes.GaussianNB(**kwargs)
model.fit(data_train, labels_train)
predictions = model.predict(data_test)
return model, ClassificationMetric(predictions, labels_test)
def multinomial(data, labels, test_size = 0.3, **kwargs):
data_train, data_test, labels_train, labels_test = sklearn.model_selection.train_test_split(data, labels, test_size=test_size, random_state=1)
model = sklearn.naive_bayes.MultinomialNB(**kwargs)
model.fit(data_train, labels_train)
predictions = model.predict(data_test)
return model, ClassificationMetric(predictions, labels_test)
def bernoulli(data, labels, test_size = 0.3, **kwargs):
data_train, data_test, labels_train, labels_test = sklearn.model_selection.train_test_split(data, labels, test_size=test_size, random_state=1)
model = sklearn.naive_bayes.BernoulliNB(**kwargs)
model.fit(data_train, labels_train)
predictions = model.predict(data_test)
return model, ClassificationMetric(predictions, labels_test)
def complement(data, labels, test_size = 0.3, **kwargs):
data_train, data_test, labels_train, labels_test = sklearn.model_selection.train_test_split(data, labels, test_size=test_size, random_state=1)
model = sklearn.naive_bayes.ComplementNB(**kwargs)
model.fit(data_train, labels_train)
predictions = model.predict(data_test)
return model, ClassificationMetric(predictions, labels_test)