wine_data_bunch=load_wine() #print("数据集说明:",wine_data_bunch.DESCR) # 比较详细的数据,很长print("特征:",wine_data_bunch.feature_names)print("分类标签:",wine_data_bunch.target_names) wine_data= pd.DataFrame(wine_data_bunch.data,columns=wine_data_bunch.feature_names) wine_t...
Google数据集:https://toolbox.google.com/datasetsearch 微软数据集:https://msropendata.com/ 科赛网:https://www.kesci.com/home/dataset 例如,导入iris文件: import pandas as pd import seaborn as sns # 基于matplotlib和pandas的画图库 import matplotlib.pyplot as plt data = pd.read_csv("H:\\machi...
physiological - 包含3个生理变量的20个观测值的CSV文件: 体重,腰围和脉搏。 exercise - 包含3个运动变量的20个观测值的CSV文件: 引体向上,仰卧起坐和跳跃。 葡萄酒识别数据集(Wine Recognition dataset) 葡萄酒识别数据集(Wine Recognition dataset)通常用于多类别分类问题建模。数据集包括从三个不同的品种(类别)的...
import matplotlib.pyplot as plt data = pd.read_csv('G:\iris.csv', encoding='gbk') # 我把数据集列名改成了中文 所以用gbk解码 sns.relplot(x='花萼长', y='花瓣长', hue='类别',data=data) # seaborn库这里不做过多介绍 plt.rcParams['font.sans-serif'] = ['SimHei'] # 步骤一(替换sans...
df_wine = pd.read_csv('https://archive.ics.uci.edu/ml/machine-learning-databases/wine/wine.data',header=None) df_wine.columns = ['Class label', 'Alcohol','Malic acid', 'Ash','Alcalinity of ash','Magnesium', 'Total phenols', 'Flavanoids', 'Nonflavanoid phenols','Proanthocyanins',...
from sklearn.datasets import load_wine # 加载数据 wine = load_wine() # 标准化 scaler = StandardScaler() features = scaler.fit_transform(wine.data) targets = wine.target # 训练数据求得分 X_train,X_test,y_train,y_test = train_test_split(features,targets,test_size=0.25) ...
wine=load_wine()print(wine.data)# wine是一个字典 (178,13)print(wine.target) 输出为: 代码语言:javascript 复制 #3.sklearn建模的基本流程 # 实例化 # 训练集代入实例化后的模型进行训练,使用的接口是fit # 使用其它接口将测试集导入训练好的模型,获得结果(score,y_test) ...
For example `'wine_data.rst'`. See also :func:`load_descr`. If not None, also returns the corresponding description of the dataset. descr_module : str or module, default='sklearn.datasets.descr' Module where `descr_file_name` lives. See also :func:`load_descr`. ...
数据集以.csv的格式,或者.txt的格式存放在datasets文件夹下的data文件内。在datasets包内有个base.py文件,完成数据加载工作,代码如下。 base.py 代码语言:javascript 复制 defload_iris(return_X_y=False):"""Load andreturnthe irisdataset(classification)...
csv.gz /usr/lib/python3/dist-packages/sklearn/datasets/data/iris.csv /usr/lib/python3/dist-packages/sklearn/datasets/data/linnerud_exercise.csv /usr/lib/python3/dist-packages/sklearn/datasets/data/linnerud_physiological.csv /usr/lib/python3/dist-packages/sklearn/datasets/data/wine_data.csv ...