WebThen, we use the train_test_split function to split the X feature matrix and y target variable into training and testing sets, with a testing size of 30% and a random state of 23. Next, we define the numerical features as the columns in X with data types of int64 or float64. We also create a MinMaxScaler object called scaler. Web13 mrt. 2024 · x=[2,3,4] y=[0,28,3] from sklearn.preprocessing import MinMaxScaler import matplotlib.pyplot as plt scaler = MinMaxScaler() y_scaled = scaler.fit_transform(y.values.reshape(-1,1)) plt.plot(x,y_scaled) plt.xlabel('x') plt.ylabel('y_scaled') plt.show()报错Reshape your data either using array.reshape(-1, 1) …
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Web20 jan. 2024 · The formula for applying log transformation in an image is, S = c * log (1 + r) where, R = input pixel value, C = scaling constant and S = output pixel value The value of ‘c’ is chosen such that we get the maximum output value corresponding to the bit size used. c = 255 / (log (1 + max_input_pixel_value)) Web8 sep. 2024 · 使用MinMaxScaler()需要首先引入包sklearn, MinMaxScaler()在包sklearn.preprocessing下 可以将任意数值归一化处理到一定区间。MinMaxScaler()函数 … feed brunch menu
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Web11 apr. 2024 · Use the python command to run the Python script: python videoPlayer.py; Enter the path to your mp4 file to start playing the video: C:\Users\Sharl\Desktop\script\DogWithDragons.mp4. Playing Videos in Python . Playing a video file is just one of the many useful and interesting things you can accomplish with a … Web8 apr. 2024 · We start off by building a simple LangChain large language model powered by ChatGPT. By default, this LLM uses the “text-davinci-003” model. We can pass in the argument model_name = ‘gpt-3.5-turbo’ to use the ChatGPT model. It depends what you want to achieve, sometimes the default davinci model works better than gpt-3.5. Web8 apr. 2024 · We start off by building a simple LangChain large language model powered by ChatGPT. By default, this LLM uses the “text-davinci-003” model. We can pass in the … feed brunch