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  • The MNIST Loss Function

    408 2021-03-31 《The fastai book》
    The MNIST Loss Function Sigmoid SGD and Mini-Batches The MNIST Loss Function We already have our independent variables x —these are the images themselves. We’ll concatenate t...
  • Model Interpretation

    422 2021-03-31 《The fastai book》
    Model Interpretation Tree Variance for Prediction Confidence Feature Importance Removing Low-Importance Variables Removing Redundant Features Partial Dependence Data Leakage ...
  • Core

    Tabular core Initial preprocessing make_date [source] add_datepart [source] add_elapsed_times [source] cont_cat_split [source] df_shrink_dtypes [source] df_shrink ...
  • Layers

    Layers Basic manipulations and resize module [source] class Identity [source] class Lambda [source] class PartialLambda [source] class Flatten [source] class V...
  • The Forward and Backward Passes

    429 2021-03-31 《The fastai book》
    The Forward and Backward Passes Defining and Initializing a Layer Gradients and the Backward Pass Sidebar: SymPy End sidebar Refactoring the Model Going to PyTorch The Fo...
  • Building a Modern CNN: ResNet

    554 2021-03-31 《The fastai book》
    Building a Modern CNN: ResNet Skip Connections A State-of-the-Art ResNet Bottleneck Layers Building a Modern CNN: ResNet We now have all the pieces we need to build the mode...
  • What is torch.nn really?

    torch.nn 到底是什么? MNIST数据安装 神经网络从零开始(不使用torch.nn) torch.nn.functional的使用 使用nn.Module进行重构 使用nn.Linear进行重构 使用optim进行重构 使用Dataset进行重构 使用DataLoader进行重构 增加验证集 编写fit()和get_data()...
  • torch.nn 到底是什么?

    torch.nn 到底是什么? MNIST数据安装 神经网络从零开始(不使用torch.nn) torch.nn.functional的使用 使用nn.Module进行重构 使用nn.Linear进行重构 使用optim进行重构 使用Dataset进行重构 使用DataLoader进行重构 增加验证集 编写fit()和get_data()函...