PKU_NLPDL_Assignment1 / report /task2report.md
Antoine Li
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# task2report
姓名:李长烨
学号:2200017853
## configurations of CNN model
本CNN模型基本由三重结构组成,第一层为embedding层,第二层包括三个卷积层,卷积核大小分别为3,4,5,用于提取不同长度的gram特征,三个卷积层均通过一个激活函数层和一个最大池化层,其中卷积核大小为3的卷积层激活函数为relu,其他两个卷积层激活函数为tanh,最后一层为全连接层,输入了为三个卷积层结果的拼接,输出为结果logits。
其他参数中,我们通过训练集构建vocabulary, $embed\ size = 100, num\ classes = 4$
训练中采用early-stop,具体参数为$epochs=10, batch\ size=64, learning\ rate=0.001, patience=3$
## Classification accuracy on test set
Test Accuracy=0.7750
具体训练中的参数如下
| Epoch | Loss | Dev Accuracy |
|-----------|---------|--------------|
| 1/10 | 84.1876 | 0.6400 |
| 2/10 | 49.7036 | 0.7100 |
| 3/10 | 28.8129 | 0.7310 |
| 4/10 | 14.6686 | 0.7390 |
| 5/10 | 6.8835 | 0.7390 |
| 6/10 | 3.5254 | 0.7630 |
| 7/10 | 1.9510 | 0.7660 |
| 8/10 | 1.2503 | 0.7670 |
| 9/10 | 0.8980 | 0.7710 |
| 10/10 | 0.6942 | 0.7760 |
| **Test Accuracy** | **0.7750** | |