ValueError:找到输入样本数量不一致的输入变量:[120,1]

时间:2019-05-07 06:29:03

标签: python machine-learning python-3.7

我正在尝试修复我的代码。这是我的错误:

  

文件   “ C:\ Users \ COMPAQ \ Anaconda3 \ lib \ site-packages \ sklearn \ utils \ validation.py”,   第235行,在check_consistent_length中       “样本:%r”%[长度为l的int(l)])

     

ValueError:找到数量不一致的输入变量   样本:[120,1]

这是我的代码:

import pandas as pd

d = pd.read_csv('dataset.csv')

x=d.drop(['Y','SampleNo','x4','x6'], axis=1)
y=d['Y'].values.reshape(1, -1)

from sklearn.preprocessing import Imputer

imputer= Imputer(missing_values='NaN', strategy = 'mean', axis=0 )    

imputer = imputer.fit(y)
y = imputer.transform(y)
print(y)

from sklearn.model_selection import train_test_split
x_train, x_test,y_train,y_test = train_test_split(x,y,test_size=0.33, random_state=0)

from sklearn.tree import DecisionTreeRegressor
regressor = DecisionTreeRegressor()   # random sate = 0
regressor.fit(x.values.reshape(-1, 1),y.values.reshape(-1, 1))

regressor.predict([[5.5]])

y_pred = regressor.predict(x_test)
print(y_pred)

有人可以帮我找出这段代码有什么问题吗?

0 个答案:

没有答案
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