This post construct the multivariate time series data into sequence samples dataset for RNNs, LSTMs, CNNs, and similar models in Keras or Tensorflow.
R, Python, Financial Econometrics, Term Structure, Macro-Finance, Machine & Deep Learning
Showing posts with label DeepLearning. Show all posts
Showing posts with label DeepLearning. Show all posts
Python: t-SNE dimensional reduction technique
This post shows how to use the t-SNE (t-Distributed Stochastic Neighbor Embedding) in Python, which is a non-linear probabilistic technique for dimensionality reduction.
TensorFlow: Weighted Average Layer with Trainable Weights
This post implements TensorFlow code that estimates the weights used to construct an output composite time series from three input time series.
TensorFlow: Weighted Average Layer with Fixed Weights
This post demonstrates the process of implementing a TensorFlow code to calculate the weighted average of the previous layer's output. This simple exercise serves as a practical guide to creating a custom layer in TensorFlow.
TensorFlow: Variational Autoencoder (VAE) for MNIST Digits
This post demonstrates the implementation of Tensorflow code for Variational Autoencoder (VAE) using a well-established example with MNIST digit data.
Python: Solving ODEs with Deep Learning in TensorFlow
This post explains how to implement TensorFlow code to solve ODE problems. This approach is known as 'Physics-Informed Neural Networks' (PINNs) or 'Neural ODEs.'
PyTorch : A Simple MLP model for Univariate Time Series Forecasting
This post explains how to implement a simple MLP model for a univariate time series forecasting using PyTorch. The estimation of the PyTorch model is slightly different from the Keras model, so it's worth focusing on how it differs.
Python : Save and Load Tensorflow Keras Model
This post shows how to save and load your Keras model. The loaded model contains the same parameters (weights and biases) and the model structure as the final model you saved.
Python : Tensorflow Keras Tuner for the optimization of hyper parameters
This post shows how to use the Keras Tuner for the hyper parameter optimization. This can avoid many for-loops effectively, which are used when the grid search for hyper parameters is necessary.
Python: Fixing the Random Seed for Reproducibility
This post shows how to fix the random seed to get reproducible results with Keras.
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