Recent questions tagged Keras

0 votes

Q: Different result with roc_auc_score() and auc()

I have trouble understanding the difference (if there is one) between roc_auc_score() and auc() in scikit-learn. I ... out why. Thanks! Select the correct answer from above options...

asked Jan 29, 2022 in Education by JackTerrance

0 votes

Q: Keras model.summary() result - Understanding the # of Parameters

I have a simple NN model for detecting hand-written digits from a 28x28px image written in python using Keras: ... that actually means? Select the correct answer from above options...

asked Jan 28, 2022 in Education by JackTerrance

0 votes

Q: Keras input explanation: input_shape, units, batch_size, dim, etc

For any Keras layer (Layer class), can someone explain how to understand the difference between input_shape, units, ... image below? Select the correct answer from above options...

asked Jan 27, 2022 in Education by JackTerrance

0 votes

Q: Role of “Flatten” in Keras

What is the role of Flatten in Keras. I am executing the code below and it's a two layered network. The ... output is already flat? Select the correct answer from above options...

asked Jan 25, 2022 in Education by JackTerrance

0 votes

Q: Keras binary_crossentropy vs categorical_crossentropy performance?

Every time I use binary_crossentropy there's ~80% acc and when I use categorical_crossentrop there's ~50% acc. And I ... should I use? Select the correct answer from above options...

asked Jan 24, 2022 in Education by JackTerrance

0 votes

Q: Keras input explanation: input_shape, units, batch_size, dim, etc

Can someone tell me the difference between input_shape, units, dim, etc? I want to know the attributes referred to the ... I do that? Select the correct answer from above options...

asked Jan 24, 2022 in Education by JackTerrance

0 votes

Q: keras: how to save the training history

I want to save the history to a file, in Keras I have model.fit history = model.fit(Q_train, W_train, ... =(Q_test, W_test)) Select the correct answer from above options...

asked Jan 24, 2022 in Education by JackTerrance

0 votes

Q: How to find Number of parameters of a keras model?

Is there a simple way to find the number of parameters of a keras model if I have CNN, LSTm etc. Just like we do it in FFN. Select the correct answer from above options...

asked Jan 24, 2022 in Education by JackTerrance

0 votes

Q: Keras Text Preprocessing - Saving Tokenizer object to file for scoring

I've trained a sentiment classifier model using Keras library by following the below steps(broadly). Convert Text ... around this? Select the correct answer from above options...

asked Jan 24, 2022 in Education by JackTerrance

0 votes

Q: Can Keras with Tensorflow backend be forced to use CPU or GPU at will?

Currently, I have Keras with TensorFlow and CUDA at the backend. But, I want to force Keras to use the ... are accessible via Keras. Select the correct answer from above options...

asked Jan 22, 2022 in Education by JackTerrance