决策树2gram.zip资源-CSDN文库

共401个文件

py：329个

pyc：19个

pickle：8个

需积分: 5 54 浏览量 2024-04-25 19:04:11 上传评论收藏 10.63MB ZIP 举报

决策树是一种广泛应用于数据挖掘和机器学习领域的算法，它的主要任务是通过学习数据中的特征来构建一个模型，这个模型能够根据输入的特征值做出决定或预测。在本案例中，“决策树2gram”可能指的是使用了二元语法（n-gram，此处n=2）作为特征来构建决策树模型。二元语法，或者称为二元词组，是自然语言处理中的一个重要概念。它是指连续出现的两个词，如“你好”、“世界”等。在文本分析中，二元语法可以捕获词汇之间的相邻关系，从而提供更多的语境信息。在决策树中，这些二元特征可能被用来区分不同的类别或预测结果。决策树的学习过程通常包括以下步骤： 1. **数据预处理**：我们需要对原始数据进行清洗，去除无关信息，如标点符号，然后将文本转换为二元语法表示。例如，将每个句子分解成二元词组，如“我你好”，“你好世界”等。 2. **特征选择**：在决策树算法中，特征选择至关重要。在这里，我们可能会使用词频、TF-IDF（词频-逆文档频率）或其他统计方法来衡量二元语法的重要性，以确定哪些二元词组最能区分不同的类别。 3. **构建决策树**：决策树通过分裂节点来构建，每次分裂都基于一个特征，使得子节点尽可能地纯化。常用的分裂准则有信息增益、信息增益比或基尼不纯度。二元语法特征会作为这些准则的输入，用于指导树的生长。 4. **剪枝**：为了避免过拟合，决策树通常会在构建完成后进行剪枝。剪枝可以通过预剪枝或后剪枝来实现，目的是保持模型的泛化能力。 5. **模型评估与优化**：我们会用一部分未参与训练的数据（验证集或测试集）来评估模型的性能，如准确率、召回率、F1分数等。如果性能不佳，可能需要调整参数，如改变树的深度、特征选择策略等，进行模型优化。在提供的“content”文件中，可能包含了具体的数据集、代码示例、模型训练结果或解释。为了深入理解“决策树2gram”的具体应用，你需要查看这些文件内容，包括数据的结构、特征工程的细节以及模型的实现和性能。通过分析这些信息，你可以更详细地了解如何将二元语法应用于决策树，以及这种方法在实际问题中的效果。

资源推荐

资源详情

资源评论

收起资源包目录

决策树2gram.zip （401个子文件）

python3.6 4.32MB

easy_install-3.6 441B

pip3.6 400B

activate 2KB

sysconfig.cfg 3KB

pyvenv.cfg 69B

activate.csh 1KB

easy_install 433B

setuptools-40.8.0-py3.6.egg 558KB

t64.exe 100KB

w64.exe 97KB

t32.exe 91KB

w32.exe 87KB

activate.fish 2KB

detect.html 8KB

tree.html 5KB

tree2.html 5KB

result.html 3KB

index.html 3KB

xcbs.iml 507B

tree2.json 230KB

c45_tree.json 137KB

tree1.json 134KB

id3_tree.json 79KB

lib64 3B

not-zip-safe 1B

cacert.pem 269KB

labels.pickle 13KB

list3.pickle 7KB

c45.pickle 5KB

id3.pickle 4KB

pip 394B

pip3 396B

PKG-INFO 3KB

b1.png 2.9MB

easy-install.pth 53B

setuptools.pth 30B

pyparsing.py 238KB

uts46data.py 194KB

html5parser.py 116KB

__init__.py 102KB

tarfile.py 90KB

constants.py 82KB

ipaddress.py 78KB

_tokenizer.py 75KB

util.py 58KB

locators.py 51KB

database.py 50KB

distro.py 41KB

compat.py 40KB

wheel.py 40KB

idnadata.py 40KB

metadata.py 39KB

req_install.py 39KB

wheel.py 39KB

index.py 37KB

fallback.py 36KB

connectionpool.py 34KB

download.py 34KB

models.py 33KB

misc.py 33KB

_inputstream.py 32KB

six.py 32KB

euctwfreq.py 31KB

big5freq.py 31KB

securetransport.py 30KB

six.py 29KB

utils.py 29KB

sessions.py 29KB

specifiers.py 27KB

sysconfig.py 26KB

sanitizer.py 26KB

jisfreq.py 25KB

shutil.py 25KB

response.py 25KB

mbcssm.py 25KB

appdirs.py 24KB

cmdoptions.py 23KB

version.py 23KB

install.py 22KB

adapters.py 21KB

req_uninstall.py 21KB

index.py 21KB

gb2312freq.py 20KB

jpcntx.py 19KB

cookies.py 18KB

langcyrillicmodel.py 18KB

bindings.py 17KB

__init__.py 17KB

poolmanager.py 16KB

prepare.py 16KB

_ihatexml.py 16KB

scripts.py 16KB

pyopenssl.py 15KB

serializer.py 15KB

resolve.py 15KB

共 401 条

{'6A6A': {0: {'558B': {0: {'0074': {0: {'2020': {0: 1, 1: 0}}, 1: 0}}, 1: {'A4A4': {0: {'5504': {0: {'BBBB': {0: {'C3CC': {0: {'7777': {0: {'2C20': {0: 1, 1: 0}}, 1: 1}}, 1: 0}}, 1: 1}}, 1: {'5200': {0: 1, 1: {'7468': {0: {'8944': {0: 0, 1: 1}}, 1: {'6F66': {0: 1, 1: {'FFC7': {0: {'488B': {0: 0, 1: 1}}, 1: 0}}}}}}}}}}, 1: {'1212': {0: {'6666': {0: {'7C24': {0: 0, 1: 1}}, 1: {'41B8': {0: {'16FF': {0: 0, 1: 1}}, 1: 0}}}}, 1: {'E7E7': {0: {'CDCD': {0: 0, 1: {'1957': {0: 0, 1: 1}}}}, 1: {'4885': {0: 1, 1: {'8D0D': {0: 1, 1: {'4E4E': {0: {'2048': {0: 1, 1: 0}}, 1: {'895C': {0: 1, 1: {'FF42': {0: 0, 1: {'A3A3': {0: {'488B': {0: 1, 1: 0}}, 1: {'7575': {0: 0, 1: 1}}}}}}}}}}}}}}}}}}}}}}, 1: {'45FC': {0: {'558B': {0: 0, 1: {'FF90': {0: 1, 1: {'6F66': {0: 1, 1: {'1957': {0: 0, 1: {'7777': {0: 1, 1: {'CCCC': {0: 1, 1: {'0C0C': {0: 1, 1: {'39FF': {0: 1, 1: 0}}}}}}}}}}}}}}}}, 1: {'486B': {0: {'6669': {0: 1, 1: {'D248': {0: {'C3C3': {0: {'3848': {0: 1, 1: 0}}, 1: {'FF15': {0: 1, 1: {'7072': {0: 1, 1: {'E8E8': {0: {'4889': {0: 0, 1: 1}}, 1: 0}}}}}}}}, 1: {'3E0D': {0: {'FF8B': {0: 0, 1: 1}}, 1: {'7B7B': {0: {'B9B9': {0: {'4C8B': {0: {'488D': {0: 1, 1: 0}}, 1: 0}}, 1: {'2069': {0: 1, 1: {'5B5B': {0: 0, 1: {'FA72': {0: 0, 1: 1}}}}}}}}, 1: {'9191': {0: {'8944': {0: 1, 1: {'4848': {0: 1, 1: {'4881': {0: 1, 1: 0}}}}}}, 1: {'8BCF': {0: 0, 1: {'52CD': {0: {'4C8B': {0: 1, 1: {'1957': {0: 0, 1: {'C3CC': {0: 0, 1: {'F9F9': {0: 0, 1: 1}}}}}}}}, 1: {'8B05': {0: {'CCCC': {0: 1, 1: 0}}, 1: {'2468': {0: {'8944': {0: 1, 1: 0}}, 1: {'2470': {0: {'2848': {0: 0, 1: 1}}, 1: 1}}}}}}}}}}}}}}}}}}}}, 1: {'3E0D': {0: {'0424': {0: {'488D': {0: 0, 1: 1}}, 1: {'6141': {0: {'F7E7': {0: {'4C89': {0: 1, 1: 0}}, 1: 1}}, 1: 1}}}}, 1: {'D848': {0: {'4200': {0: 0, 1: 1}}, 1: {'2428': {0: 1, 1: {'8C24': {0: 1, 1: {'7777': {0: {'4E4E': {0: {'E7E7': {0: 0, 1: 1}}, 1: 1}}, 1: {'41FF': {0: 1, 1: {'6141': {0: {'52CD': {0: {'9319': {0: 1, 1: 0}}, 1: {'2121': {0: 0, 1: {'6E20': {0: 1, 1: {'EBEB': {0: 1, 1: {'48C7': {0: 0, 1: {'C645': {0: 0, 1: {'CD41': {0: 0, 1: 1}}}}}}}}}}}}}}, 1: {'8D0D': {0: {'8BCF': {0: 0, 1: 1}}, 1: {'8BCE': {0: 1, 1: {'CFE8': {0: 1, 1: {'6967': {0: 1, 1: {'CBFF': {0: 1, 1: {'508D': {0: {'8B44': {0: 1, 1: 0}}, 1: {'420C': {0: 1, 1: {'0848': {0: 1, 1: {'FA72': {0: {'CC48': {0: 0, 1: {'F4EB': {0: 0, 1: {'7216': {0: {'48C7': {0: 1, 1: 0}}, 1: {'A4A4': {0: 0, 1: {'558B': {0: 0, 1: {'8585': {0: 0, 1: {'837C': {0: 0, 1: {'482B': {0: {'52CD': {0: 0, 1: 1}}, 1: {'CD41': {0: {'52CD': {0: 1, 1: 0}}, 1: 1}}}}}}}}}}}}}}}}}}, 1: {'AC19': {0: {'2C20': {0: 0, 1: {'1957': {0: {'7216': {0: 0, 1: {'E7E7': {0: 0, 1: 1}}}}, 1: 1}}}}, 1: {'488D': {0: 1, 1: {'2205': {0: 1, 1: {'BCBC': {0: 1, 1: {'5841': {0: 1, 1: {'4C8D': {0: 1, 1: {'C148': {0: 1, 1: {'8954': {0: 1, 1: {'5E5E': {0: {'488B': {0: 1, 1: {'4156': {0: 1, 1: 0}}}}, 1: {'1447': {0: {'09FF': {0: 0, 1: 1}}, 1: {'C8E8': {0: 1, 1: {'4863': {0: {'2430': {0: 0, 1: 1}}, 1: {'6041': {0: 1, 1: {'BBBB': {0: 0, 1: {'C428': {0: 1, 1: {'2573': {0: 1, 1: {'4700': {0: 1, 1: {'CEE8': {0: 1, 1: {'C448': {0: 1, 1: {'0348': {0: 1, 1: {'9292': {0: {'1212': {0: 0, 1: 1}}, 1: {'4C8B': {0: 1, 1: {'33CA': {0: {'7B7B': {0: 0, 1: 1}}, 1: {'C848': {0: {'CDCD': {0: 0, 1: 1}}, 1: {'6666': {0: 1, 1: {'2448': {0: 1, 1: {'15AC': {0: 1, 1: {'9319': {0: 1, 1: {'F7EE': {0: 0, 1: {'F7E7': {0: 1, 1: {'16FF': {0: 1, 1: {'0A20': {0: 1, 1: {'2438': {0: 1, 1: {'7C24': {0: 1, 1: {'F7F7': {0: 1, 1: {'1212': {0: 1, 1: {'4533': {0: 1, 1: {'A5A5': {0: {'90F7': {0: 0, 1: 1}}, 1: {'F8F8': {0: 1, 1: {'48FF': {0: 1, 1: {'2828': {0: 1, 1: {'BFBF': {0: 1, 1: {'FFEB': {0: 1, 1: {'4D8B': {0: 1, 1: {'2025': {0: 1, 1: {'EBEB': {0: 1, 1: {'6BC0': {0: 1, 1: {'5B5B': {0: {'7216': {0: 0, 1: 1}}, 1: {'D9D9': {0: {'1957': {0: 0, 1: 1}}, 1: {'CD41': {0: 0, 1: {'52CD': {0: 0, 1: {'7B7B': {0: 0, 1: {'CDCD': {0: 0, 1: {'D248': {0: 0, 1: {'4883': {0: 0, 1: {'48C7': {0: 0, 1: {'E7E7': {0: 0, 1: {'4E47': {0: 0, 1: {'FF42': {0: 0, 1: {'24E8': {0: 0, 1: {'8B7D': {0: 0, 1: 1}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} {'6A6A': {0: {'6100': {0: 1, 1: {'7461': {0: 1, 1: {'6564': {0: 1, 1: {'6300': {0: 1, 1: {'6E00': {0: 1, 1: {'7200': {0: 1, 1: {'7465': {0: 1, 1: {'000A': {0: 1, 1: {'696F': {0: 1, 1: {'0A00': {0: {'4889': {0: 0, 1: 1}}, 1: {'0065': {0: {'006F': {0: 0, 1: 1}}, 1: {'7468': {0: {'39FF': {0: 0, 1: 1}}, 1: {'636F': {0: 1, 1: {'4001': {0: {'4C8B': {0: 0, 1: 1}}, 1: {'A4A4': {0: {'0140': {0: {'16FF': {0: 0, 1: 1}}, 1: {'7970': {0: {'16FF': {0: 0, 1: 1}}, 1: {'6669': {0: {'5500': {0: 1, 1: 0}}, 1: {'6F66': {0: {'CCCC': {0: 1, 1: 0}}, 1: {'5348': {0: {'4E4E': {0: 0, 1: 1}}, 1: 0}}}}}}}}}}, 1: {'85C0': {0: 1, 1: {'0404': {0: 1, 1: {'FF25': {0: 1, 1: {'7072': {0: 1, 1: {'706F': {0: 1, 1: {'0110': {0: 1, 1: {'6967': {0: 1, 1: {'7320': {0: {'4C8B': {0: 0, 1: 1}}, 1: {'6520': {0: {'FA72': {0: 0, 1: 1}}, 1: {'6E20': {0: {'FA72': {0: 0, 1: 1}}, 1: {'5041': {0: {'488B': {0: 0, 1: 1}}, 1: {'7508': {0: {'CCCC': {0: 0, 1: 1}}, 1: {'20FF': {0: {'488B': {0: 0, 1: 1}}, 1: {'4883': {0: {'4C8D': {0: 0, 1: 1}}, 1: {'5504': {0: {'FA72': {0: 1, 1: 0}}, 1: 0}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}, 1: {'558B': {0: {'4600': {0: 1, 1: {'FF90': {0: 1, 1: {'3048': {0: 1, 1: {'7469': {0: 1, 1: {'7665': {0: 1, 1: {'8BCE': {0: {'F7E3': {0: 0, 1: 1}}, 1: 0}}}}}}}}}}}}, 1: {'508D': {0: {'D9D9': {0: 1, 1: {'7777': {0: 1, 1: {'8D4D': {0: 1, 1: 0}}}}}}, 1: {'6520': {0: 1, 1: {'4E47': {0: {'7072': {0: 1, 1: {'9319': {0: {'0424': {0: 0, 1: {'0355': {0: 0, 1: 1}}}}, 1: {'8904': {0: 1, 1: {'16FF': {0: 1, 1: {'5DC3': {0: 1, 1: {'4424': {0: 1, 1: {'2430': {0: 1, 1: {'15AC': {0: 1, 1: 0}}}}}}}}}}}}}}}}, 1: {'0F84': {0: {'4889': {0: 1, 1: 0}}, 1: {'83C4': {0: {'4889': {0: 0, 1: 1}}, 1: {'2428': {0: 1, 1: {'4508': {0: {'9319': {0: 0, 1: 1}}, 1: {'2205': {0: 1, 1: {'8B8C': {0: 1, 1: {'8BCB': {0: 1, 1: {'F0F0': {0: {'7216': {0: 0, 1: 1}}, 1: {'3E0D': {0: {'8BEC': {0: 0, 1: {'1818': {0: {'8D0D': {0: 0, 1: 1}}, 1: {'BBBB': {0: {'8D15': {0: 0, 1: 1}}, 1: 1}}}}}}, 1: {'5B5B': {0: {'483B': {0: 1, 1: {'CBFF': {0: 1, 1: {'2920': {0: 1, 1: {'C3CC': {0: 1, 1: {'C8E8': {0: 1, 1: {'4883': {0: 1, 1: {'7676': {0: 1, 1: {'4885': {0: 1, 1: {'2048': {0: 1, 1: {'4800': {0: 1, 1: {'6E20': {0: 1, 1: {'5348': {0: 1, 1: {'488D': {0: {'7216': {0: 1, 1: 0}}, 1: {'9319': {0: {'FA72': {0: 0, 1: 1}}, 1: {'7B7B': {0: 0, 1: {'B9B9': {0: 0, 1: {'CC48': {0: 1, 1: {'1848': {0: 1, 1: 0}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}, 1: {'D848': {0: 1, 1: {'6967': {0: 1, 1: {'5850': {0: 0, 1: {'42FF': {0: 1, 1: {'0FB6': {0: 0, 1: {'894C': {0: 1, 1: {'48FF': {0: 1, 1: {'FF89': {0: 0, 1: {'45FC': {0: {'8D15': {0: 1, 1: {'39FF': {0: 1, 1: 0}}}}, 1: {'6041': {0: 1, 1: {'2920': {0: 1, 1: {'CBFF': {0: 1, 1: {'8BC8': {0: 1, 1: {'2408': {0: 0, 1: {'8D15': {0: {'3BFF': {0: 1, 1: {'6E61': {0: 1, 1: 0}}}}, 1: {'4449': {0: {'AC19': {0: 1, 1: 0}}, 1: {'8954': {0: 1, 1: {'3848': {0: 1, 1: {'C148': {0: 1, 1: {'8F8F': {0: 0, 1: {'15AC': {0: 1, 1: {'85DB': {0: 0, 1: {'8BC7': {0: 0, 1: {'4D8B': {0: 1, 1: {'4C8D': {0: 1, 1: {'6669': {0: 1, 1: {'0909': {0: 0, 1: {'6BC0': {0: 1, 1: {'8D4D': {0: 1, 1: {'5508': {0: 0, 1: {'C645': {0: 1, 1: {'0F1F': {0: 1, 1: {'C348': {0: 1, 1: {'9048': {0: 1, 1: {'33C9': {0: 1, 1: {'2420': {0: 0, 1: {'5504': {0: 1, 1: {'CEE8': {0: 1, 1: {'4C8B': {0: 1, 1: {'CFE8': {0: 1, 1: {'488B': {0: 1, 1: {'4889': {0: 1, 1: {'2440': {0: 1, 1: {'3A20': {0: 1, 1: {'2066': {0: 1, 1: {'660F': {0: 1, 1: {'FF48': {0: 1, 1: {'2438': {0: 1, 1: {'8B84': {0: 1, 1: {'41FF': {0: 1, 1: {'4D08': {0: 1, 1: {'E8E8': {0: 1, 1: {'696D': {0: 1, 1: {'CCCC': {0: 1, 1: {'3AFF': {0: 1, 1: {'CBE8': {0: 1, 1: {'203C': {0: 1, 1: {'6372': {0: 1, 1: {'F048': {0: 1, 1: {'4883': {0: 1, 1: {'16FF': {0: 1, 1: {'4C24': {0: 1, 1: {'2048': {0: 1, 1: {'7661': {0: 1, 1: {'008B': {0: 1, 1: {'0A20': {0: 1, 1: {'C3CC': {0: 1, 1: {'5C24': {0: 1, 1: {'7C24': {0: 1, 1: {'F7F7': {0: 1, 1: {'8424': {0: 1, 1: {'

评论收藏

内容反馈