如何解决CSV 数据集缩放为输入
我想制作一个使用深度学习对 csv 文件进行分类的项目,但我在输入缩放部分遇到了问题。 现在我将数据集分为两类,即X_data 和Y_data。请关注下面的代码,谁知道请帮助我, 在导入的包下面, 将张量流导入为 tf
import keras.backend as K
from keras.models import Sequential
from keras.layers import Dense
from keras.optimizers import Adam
from keras.callbacks import EarlyStopping
from keras.utils import to_categorical
import keras
import numpy as np
from keras.layers import Batchnormalization
from keras.layers import Dropout
from keras import regularizers
import pandas as pd
import sklearn
from sklearn import preprocessing
from sklearn.model_selection import train_test_split
import matplotlib
from matplotlib import pyplot as plt
%matplotlib inline
%config InlineBackend.figure_format='retina'
导入输入 (x) 和输出 (y) 数据,并将它们分配给 df1 和 df2
df1 = pd.read_csv('X_data.csv')
df2 = pd.read_csv('Y_data.csv')
缩放输入数据
df1 = preprocessing.scale(df1) //I have faced error here
下面的错误是,
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
<ipython-input-3-aec70d746687> in <module>
1 # Scale input data
2
----> 3 df1 = preprocessing.scale(df1)
~/anaconda3/lib/python3.8/site-packages/sklearn/utils/validation.py in inner_f(*args,**kwargs)
71 FutureWarning)
72 kwargs.update({k: arg for k,arg in zip(sig.parameters,args)})
---> 73 return f(**kwargs)
74 return inner_f
75
~/anaconda3/lib/python3.8/site-packages/sklearn/preprocessing/_data.py in scale(X,axis,with_mean,with_std,copy)
139
140 """ # noqa
--> 141 X = check_array(X,accept_sparse='csc',copy=copy,ensure_2d=False,142 estimator='the scale function',dtype=FLOAT_DTYPES,143 force_all_finite='allow-nan')
~/anaconda3/lib/python3.8/site-packages/sklearn/utils/validation.py in inner_f(*args,args)})
---> 73 return f(**kwargs)
74 return inner_f
75
~/anaconda3/lib/python3.8/site-packages/sklearn/utils/validation.py in check_array(array,accept_sparse,accept_large_sparse,dtype,order,copy,force_all_finite,ensure_2d,allow_nd,ensure_min_samples,ensure_min_features,estimator)
597 array = array.astype(dtype,casting="unsafe",copy=False)
598 else:
--> 599 array = np.asarray(array,order=order,dtype=dtype)
600 except ComplexWarning:
601 raise ValueError("Complex data not supported\n"
~/anaconda3/lib/python3.8/site-packages/numpy/core/_asarray.py in asarray(a,order)
83
84 """
---> 85 return array(a,copy=False,order=order)
86
87
ValueError: Could not convert string to float: 'discrete'
# Split the data into input (x) training and testing data,and ouput (y)
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