Python 如何将功能引用到标签?朴素贝叶斯分类器
我正在尝试适应机器学习NB模型,我的一切都非常干净,但可以将我的功能引用到我的标签,以适应模型:Python 如何将功能引用到标签?朴素贝叶斯分类器,python,python-3.x,list,machine-learning,scikit-learn,Python,Python 3.x,List,Machine Learning,Scikit Learn,我正在尝试适应机器学习NB模型,我的一切都非常干净,但可以将我的功能引用到我的标签,以适应模型: 标签=[[0,0,0,1,1,0],[0,0,1,0,1,1],…] 特征=[[0.1,0.2,0.3,0.4,0.5],[0.11,0.21,0.31,0.41,0.51],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.43,0.53],[0.13,0.23,0.33,0.43,0.53]…] 在
标签=[[0,0,0,1,1,0],[0,0,1,0,1,1],…]
特征=[[0.1,0.2,0.3,0.4,0.5],[0.11,0.21,0.31,0.41,0.51],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.42,0.52],[0.12,0.22,0.32,0.43,0.53],[0.13,0.23,0.33,0.43,0.53]…]
在我的问题中,[0.1,0.2,0.3,0.4,0.5]必须指标签中的第一个0,因此分类器给出一个否,[0.11,0.21,0.31,0.41,0.51]指第二个0,也是一个否,[0.12,0.22,0.32,0.42,0.52]指第一个1,因此对于分类器来说是肯定的
如何适应NB分类器或重新排列列表以适应模型
非常感谢。您可能可以利用一个很棒的
numpy
库,通过它可以以多种不同的方式重新组织输入数据的形状。可能的决定之一如下:
import numpy as np
from sklearn.naive_bayes import GaussianNB
labels = [[0,0,0,1,1,0],
[0,0,1,0,1,1]]
features = [[[0.1,0.2,0.3,0.4,0.5],
[0.11,0.21,0.31,0.41,0.51],
[0.12,0.22,0.32,0.42,0.52],
[0.12,0.22,0.32,0.42,0.52],
[0.12,0.22,0.32,0.43,0.53],
[0.13,0.23,0.33,0.43,0.53]],
[[0.1,0.2,0.3,0.4,0.5],
[0.11,0.21,0.31,0.41,0.51],
[0.12,0.22,0.32,0.42,0.52],
[0.12,0.22,0.32,0.42,0.52],
[0.12,0.22,0.32,0.43,0.53],
[0.13,0.23,0.33,0.43,0.53]]]
labels = np.ravel(labels)
features = np.reshape(features, (-1, 5))
gnb = GaussianNB()
gnb.fit(features, labels)
隐马尔可夫模型。。。我可能错了,但这不应该是编辑吗?@Jab可能是,是的,我重新安排了一些事情,得到了一些相同的维度列表,但这样做我丢失了95%的数据。我目前正在尝试一次做很多事情,看看哪一件能让我适合这个模型。