Data classification prediction using 1DCNN in python

Data classification prediction using 1D convolutional neural network (1DCNN) in Python can be achieved using deep learning libraries such as TensorFlow and Keras. Here is a basic example to get you started:

import numpy as np
import tensorflow as tf
from tensorflow.keras import layers

# 准备数据
X_train = ...  # 训练数据,形状为 (样本数, 时间步数, 特征数)
Y_train = ...  # 训练标签,形状为 (样本数, 类别数)
X_test = ...   # 测试数据,形状为 (测试样本数, 时间步数, 特征数)
Y_test = ...   # 测试标签,形状为 (测试样本数, 类别数)

# 定义模型
model = tf.keras.Sequential()
model.add(layers.Conv1D(64, 3, activation='relu', input_shape=(X_train.shape[1], X_train.shape[2])))
model.add(layers.MaxPooling1D(2))
model.add(layers.Flatten())
model.add(layers.Dense(64, activation='relu'))
model.add(layers.Dense(Y_train.shape[1], activation='softmax'))

# 编译模型
model.compile(optimizer='adam', loss='categorical_crossentropy', metrics=['accuracy'])

# 训练模型
model.fit(X_train, Y_train, epochs=10, batch_size=32)

# 预测和评估
Y_pred = model.predict(X_test)
Y_pred_classes = np.argmax(Y_pred, axis=1)
Y_true_classes = np.argmax(Y_test, axis=1)
accuracy = np.mean(Y_pred_classes == Y_true_classes)
print("Accuracy:", accuracy)

In the above code, you need to make appropriate modifications according to your data format and task requirements. You can tune the parameters of 1D convolutional and fully connected layers, add more Conv1D layers or other types of layers, and try different optimizers and loss functions. This example can help you start using 1DCNN for data classification prediction, and you can make further modifications and optimizations according to the actual situation.

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Origin blog.csdn.net/weixin_44463965/article/details/131845174