last_layer | last layer of deep structures | Machine Learning library
kandi X-RAY | last_layer Summary
kandi X-RAY | last_layer Summary
Design the last layer of deep structures, a linear svm, a fisher's linear discriminant, or . This is the follow-up project of qclass_dl, a project of sentence classification I did while interning at Japan Advanced Institute of Science and Technology, please refer to this repository for documentation.
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last_layer Key Features
last_layer Examples and Code Snippets
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Trending Discussions on last_layer
QUESTION
I'm trying to train a neural network in PyTorch with some input signals. The layers are conv1d. The shape of my input is [100, 10], meaning 100 signals of a length of 10.
But when I execute the training, I have this error: Given groups=1, weight of size [100, 10, 1], expected input[1, 1, 10] to have 10 channels, but got 1 channels instead
...ANSWER
Answered 2022-Apr-08 at 17:55nn.Conv1d
expects input with shape of form (batch_size, num_of_channels, seq_length)
. It's parameters allow to directly set number of ouput channels (out_channels
) and change length of output using, for example, stride
. For conv1d layer to work correctly it should know number of input channels (in_channels
), which is not the case on first convolution: input.shape == (batch_size, 1, 10)
, therefore num_of_channels = 1
, while convolution in self.layers[0]
expects this value to be equal 10 (because in_channels
set by self.config[0]
and self.config[0] == 10
). Hence to fix this append one more value to config:
QUESTION
ANSWER
Answered 2022-Apr-07 at 14:15You should redefine the input layer also in the Joint
model
QUESTION
I have a custom ResNet model that I define through the Keras Functional API. Also my model has multiple outputs. The last element of the output array is the fully connected dense layer with num_class
nodes. I want to be able to increment the number of nodes of this layer. This is the relevant code for the creation of my network:
ANSWER
Answered 2022-Mar-10 at 20:05This is the solution I've come up with. I assigned the layers that I wanted to keep as output to variables:
QUESTION
I am new to PyTorch and Machine Learning so I try to follow the tutorial from here: https://medium.com/@nutanbhogendrasharma/pytorch-convolutional-neural-network-with-mnist-dataset-4e8a4265e118
By copying the code step by step I got the following error for no reason. I tried the program on another computer and it gives syntax error. However, my IDE didn't warn my anything about syntax. I am really confused how I can fix the issue. Any help is appreciated.
...ANSWER
Answered 2022-Feb-25 at 06:42If you are working on jupyter notebook. The problem is more likely to be num_worker
. You should set num_worker=0
. You can find here some solutions to follow. Because unfortunately, jupyter notebook has some issues with running multiprocessing.
QUESTION
i am bit confused about the output shape of keras layer. I have created a sample keras model and also displayed its summary.
...ANSWER
Answered 2021-Nov-24 at 08:30Since you set the parameter return_sequences
to True
in the LSTM
layer, you are getting a sequence with the same number of time steps as your input and an output space of 1 for each timestep, hence the shape (None, 129, 1)
. Afterwards, you apply a Dense
layer to this tensor, but this layer is always applied to the last dimension of a tensor, which in your case is 1 and not 129. Therefore you get the output (None, 129, 64)
. Then, you use a final output layer, which is also applied to the last dimension of your tensor resulting in output with the shape (None, 129, 1)
. The Tensorflow docs also explain this behavior:
If the input to the layer has a rank greater than 2, then Dense computes the dot product between the inputs and the kernel along the last axis of the inputs and axis 0 of the kernel (using tf.tensordot).
You can set return_sequences
to False
if you want to work with a 2D output (batch_size, features)
instead of 3D (batch_size, time_steps, features)
, or you can use the Flatten
layer.
QUESTION
I'm trying to programmatically build out a series of F.when().otherwise() conditional statements using pyspark. Pretty much I want to host layers of "decisions" in a dictionary, and programmatically build a series of F.when().otherwise() statements. An example of what I'm trying to achieve should make this clear...
At the moment I have this dictionary of decisions...
...ANSWER
Answered 2021-Aug-05 at 14:20You can utilize Python's reduce
function to chain .when
statements. That would be like this
QUESTION
I am working on medical image classification using Resnet50 model. Whenever I try to flatten the layer I am getting this error.
...ANSWER
Answered 2021-Jul-01 at 18:48You are mixing tensorflow and keras libraries. Recommended to use only tensorflow.keras.*
instead of keras.*
.
Here is the modified code:
QUESTION
I have the following function in pytorch implementation for replacing a conv2D layer with 3 different layers:
...ANSWER
Answered 2021-Apr-28 at 19:26You are missing exactly the last step in Keras transformation.
There is also a Sequential()
class in TensorFlow(Keras) that you can use to instantiate the model.
I haven't checked for the exact match between TF and PyTorch, but this should be your starting point to solve your problem.
QUESTION
I've trained a population of neural networks using using the genetic algorithm implementation provided by the pyGAD Python Library. The code I've written so far is given below:
...ANSWER
Answered 2021-Jan-18 at 06:27Thanks for using PyGAD.
I see that you built the example correctly. You can easily use the best solution to make predictions using simple 3 steps.
Please note that after each generation, the population
attribute is updated by the latest population. That means after PyGAD completes all the generations, the last population is saved in the population
attribute.
After you load the saved model using the pygad.load()
function, and as you did in the fitness function, you can use the population
attribute to restore the weights of the networks as follows:
QUESTION
I have created multiple layer model, and now I would like to teach it with hundreds of values, so it can predict outputs from different inputs. But how should I implement those inputs? I tried now to make some array in array. And feed inputs and outputs one by one using training function. But it seems that on the second time its reteaching itself and it predicts only second answer rightly. Maybe I dont understand the concept?
...ANSWER
Answered 2020-Nov-06 at 11:48You have to feed mixed data:
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You can use last_layer like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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