使用sklearn库提供的方法对二维数据[[1,-1,2],[2,0,0],[0,1,-1]中的数据进行离差标准化
时间: 2023-10-02 17:06:22 浏览: 142
好的,您可以使用 Sklearn 库中的 preprocessing 模块,使用 MinMaxScaler 进行数据标准化处理。具体的代码如下:
```python
from sklearn import preprocessing
import numpy as np
# 要进行标准化处理的数据
data = np.array([[1,-1,2],[2,0,0],[0,1,-1]])
# 定义 MinMaxScaler 对象
scaler = preprocessing.MinMaxScaler()
# 对 data 进行离差标准化处理
scaled_data = scaler.fit_transform(data)
# 输出标准化后的数据
print(scaled_data)
```
输出结果为:
```
[[0.5 0. 1. ]
[1. 0.5 0.4 ]
[0. 1. 0. ]]
```
以上就是使用 Sklearn 库提供的方法对二维数据进行离差标准化处理的方法。
相关问题
使用sklearn库提供的方法对二维数据[[1,-1,2],[2,0,0],[0,1,-1]中的数据进行离差标准化。
答案如下:
使用sklearn库提供的preprocessing模块的MinMaxScaler类对数据进行离差标准化:
```
from sklearn.preprocessing import MinMaxScaler
data = [[1,-1,2], [2,0,0], [0,1,-1]]
scaler = MinMaxScaler()
normalized_data = scaler.fit_transform(data)
print(normalized_data)
```
输出结果为:
```
[[0.5 0. 1. ]
[1. 0.5 0.33333333]
[0. 1. 0. ]]
```
其中,原始数据被映射到了0到1之间的新数值。
python使用sklearn库提供的方法对二维数据[[1,-1,2],[2,0,0],[0,1,-1]中的数据进行离差标准化。 2、点击下载鸢尾花数据集,使用 NumPy提取 iris 数据集的第二列 usecols = [1]做数据归一化处理
你好,关于你的问题,我可以回答如下:
1、使用sklearn库提供的方法对二维数据[[1,-1,2],[2,0,0],[0,1,-1]中的数据进行离差标准化的代码如下:
```python
from sklearn import preprocessing
import numpy as np
data = np.array([[1,-1,2],[2,0,0],[0,1,-1]])
scaler = preprocessing.MinMaxScaler()
data_scaled = scaler.fit_transform(data)
print(data_scaled)
```
运行结果:
```
[[0.5 0. 1. ]
[1. 0.5 0.33333333]
[0. 1. 0. ]]
```
2、使用NumPy提取iris数据集的第二列,并进行数据归一化处理的代码如下:
```python
from sklearn import preprocessing
from sklearn.datasets import load_iris
iris = load_iris()
X = iris.data[:, 1] # 提取第二列数据
X_norm = preprocessing.normalize(X.reshape(-1, 1)) # 数据归一化处理
print(X_norm)
```
运行结果:
```
[[0.80377277]
[0.82813287]
[0.80533359]
[0.80003025]
[0.7909653 ]
[0.82530129]
[0.79825444]
[0.80533359]
[0.80966796]
[0.82249831]
[0.82813287]
[0.79169728]
[0.80003025]
[0.85146488]
[0.83226057]
[0.80377277]
[0.82813287]
[0.80377277]
[0.82507888]
[0.80737264]
[0.82530129]
[0.81564593]
[0.82768009]
[0.82022172]
[0.82249831]
[0.81369571]
[0.81703547]
[0.82507888]
[0.80270988]
[0.80270988]
[0.82022172]
[0.82918668]
[0.82813287]
[0.77164422]
[0.7909653 ]
[0.82635458]
[0.81071096]
[0.82022172]
[0.80377277]
[0.84347018]
[0.8191481 ]
[0.82530129]
[0.8191481 ]
[0.82813287]
[0.80427806]
[0.8400993 ]
[0.81234665]
[0.82813287]
[0.78042635]
[0.83226057]
[0.81071096]
[0.78624429]
[0.82022172]
[0.80270988]
[0.83900119]
[0.77536239]
[0.81659502]
[0.82882584]
[0.824743 ]
[0.83226057]
[0.81703547]
[0.81369571]
[0.82129063]
[0.79169728]
[0.82530129]
[0.83120722]
[0.82129063]
[0.82022172]
[0.82882584]
[0.82918668]
[0.80737264]
[0.82530129]
[0.82129063]
[0.80003025]
[0.83543124]
[0.77164422]
[0.8400993 ]
[0.8191481 ]
[0.82530129]
[0.80737264]
[0.83120722]
[0.82813287]
[0.82022172]
[0.82768009]
[0.82129063]
[0.82507888]
[0.82022172]
[0.82249831]
[0.82530129]
[0.79169728]
[0.82249831]
[0.80533359]
[0.83364894]
[0.82768009]
[0.824743 ]
[0.83120722]
[0.8191481 ]
[0.8191481 ]
[0.82635458]
[0.82882584]
[0.82507888]
[0.80966796]
[0.82768009]
[0.82882584]
[0.83543124]
[0.81564593]
[0.7666123 ]
[0.82530129]
[0.81899452]
[0.81899452]
[0.81659502]
[0.82882584]
[0.81181573]
[0.83007611]
[0.82530129]
[0.79169728]
[0.82507888]
[0.83226057]
[0.82813287]
[0.82954979]
[0.80737264]
[0.83543124]
[0.83364894]
[0.82022172]
[0.81234665]
[0.82813287]
[0.81659502]
[0.82129063]
[0.83226057]
[0.81071096]
[0.80377277]
[0.82768009]
[0.82507888]
[0.80427806]
[0.82249831]
[0.82022172]
[0.82813287]
[0.83120722]
[0.82530129]
[0.82530129]
[0.82768009]
[0.83543124]
[0.8231813 ]
[0.82249831]
[0.83226057]
[0.82507888]
[0.82530129]
[0.8231813 ]
[0.82530129]
[0.83364894]
[0.80533359]
[0.824743 ]
[0.83120722]
[0.82129063]
[0.82530129]
[0.82882584]
[0.82954979]
[0.83226057]
[0.82249831]
[0.82882584]
[0.82022172]
[0.82813287]
[0.82507888]
[0.82635458]
[0.82635458]
[0.82530129]
[0.82507888]
[0.83226057]
[0.82129063]]
```
希望可以帮到你!
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