Web3 feb. 2016 · Reshape your data either using X.reshape (-1, 1) if your data has a single feature or X.reshape (1, -1) if it contains a single sample. My code: def main (): data = [] … WebReshape your data either using array.reshape (-1, 1) if your data has a single feature or array.reshape (1, -1) if it contains a single sample. 这是因为在新版sklearn中，所有数据都应该是二维矩阵，哪怕它只是单独一行或一列，需要使用.reshape (1,-1)进行转换，示例如下。 import sklearn.svm as svm import numpy as np X = [ [0, 0], [1, 1]] y = [0.5, 1.5] clf = …
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Web14 mrt. 2024 · 1.问题： 使用sklearn建立模型之后进行预测时出现：Reshape your data either using array.reshape(-1, 1) if your data has a single feature or array.reshape(1, -1) … Web3 jul. 2024 · Reshape your data either using array.reshape (-1, 1) if your data has a single feature or array.reshape (1, -1) if it contains a single sample. 該当のソースコード import numpy as np from sklearn.linear_model import LinearRegression a = np.arange (15) b = np.arange (15) slr = LinearRegression () slr.fit (a, b) y = slr.predict (16) print (y) 試したこと six flags privacy policy
ValueError: Expected 2D array, got 1D array instead:
Web21 jul. 2024 · Notice that there are two pairs of square brackets, not just one. This means that housing_cat will be a Pandas DataFrame with a single column. That's a 2D data structure, even though there is just a single column. Perhaps you used a single pair of square brackets instead? If so, then housing_cat would be a Pandas Series object, … WebReshape your data either using array.reshape (-1, 1) if your data has a single feature or array.reshape (1, -1) if it contains a single sample. BOSE.DK Posted 3 years ago arrow_drop_up more_vert You can also use y = np.array (y).reshape (-1,1) y = sc_y.fit__transform (y) Akshay Kajale Posted 3 years ago arrow_drop_up more_vert Web1. ]. Reshape your data either using array.reshape ( -1, 1) if your data has a single feature or array.reshape ( 1, -1) if it contains a single sample. SVC (C= 1.0, cache_size= 200, class_weight= None, coef0= 0.0 , decision_function_shape= 'ovr', degree= 3, gamma= 'auto', kernel= 'linear' , max_iter= -1, probability= False, random_state= None ... six flags prices texas