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Recent questions tagged deep-learning
0
0 votes
1
answers
1 answer
441
441 views
Step-by-Step Hidden State Calculation in a Recurrent Neural Network
Consider a simplified Recurrent Neural Network (RNN) with a single input and a single output. The hidden state is updated using the recurrence:$$ h_t = \text{ReLU}(W_{ih}...
tofighi
116k
points
73
79
101
asked
Dec 1, 2025
Machine Learning
machine-learning
deep-learning
rnn
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0
0 votes
1
answers
1 answer
2.5k
2.5k views
How to calculate feed-forward (forward-propagation) in neural network for classification?
For the following neural network, calculate accuracy of classification, given these settings
tofighi
116k
points
73
79
101
asked
Oct 2, 2024
Machine Learning
ml-midterm
ele888-midterm
deep-learning
ml-exercise
machine-learning
feed-forward
forward-propagation
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–
0
0 votes
0
0 answers
1.0k
1.0k views
Bankruptcy prediction and credit card
Hello everyone newbie data scientist here.I'm working on a project to predict companies (probability of default) bankruptcy probability and to assign them a credit rating...
Yassine
120
points
1
1
3
asked
Apr 10, 2022
Machine Learning
classification
deep-learning
data-science
linear-regression
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–
0
0 votes
0
0 answers
530
530 views
how many samples do we need to test image segmentation using synthetic data ?
Hello,I trained a CNN using synthetic data to perform a segmentation task on human faces. During the test and to evaluate the prediction of this network, I used 200 examp...
HbibOs
120
points
1
1
3
asked
Jun 21, 2021
Deep Learning
machine-learning
data
predict
deep-learning
+
–
0
0 votes
0
0 answers
494
494 views
Binary Classification and neutral tag
I am trying to create a sentiment analysis model using binary classification as loss.I have a batch of tweets that some of them are tagged as positive (labeled as 1) and ...
ntonis
170
points
1
4
7
asked
Jan 30, 2021
Deep Learning
nlp
deep-learning
natural-language-process
sentiment-analysis
sentiment
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–
0
0 votes
0
0 answers
500
500 views
"Rare words" on vocabulary
I am trying to create a sentiment analysis model and I have a question.After I preprocessed my tweets and created my vocabulary I've noticed that I have words that appear...
ntonis
170
points
1
4
7
asked
Jan 30, 2021
Deep Learning
sentiment-analysis
deep-learning
nlp
+
–
3
3 votes
1
answers
1 answer
6.0k
6.0k views
How to update the weights in backpropagation algorithm when activation function in not linear?
The goal of backpropagation is to optimize the weights so that the neural network can learn how to correctly map arbitrary inputs to outputs.Assume for the following neur...
tofighi
116k
points
73
79
101
asked
Aug 10, 2020
Machine Learning
machine-learning
deep-learning
neural-network
backpropagation
back-propagation
ml-exercise
ml-final
ele888-final
+
–
1
1 vote
1
1 answer
458
458 views
Pre trainned word Embeddings and Preproceess
How should i preprocess my data if i am gonna use a pretrainned word embedding like glove or word2vec?Should I use stemming or stopword removal techniques?
ntonis
170
points
1
4
7
asked
Apr 10, 2020
Machine Learning
deep-learning
natural-language-process
+
–
5
5 votes
1
answers
1 answer
9.1k
9.1k views
How to calculate convolutions on a CONV layer for a Convolutional Neural Network?
Assume we have a $5\times5$ px RGB image with 3 channels respectively for R, G, and B. IfR2000012001201021210101020G0212211100002202002002111B0100111201102021011012112 We...
tofighi
116k
points
73
79
101
asked
Jun 26, 2019
Deep Learning
machine-learning
deep-learning
ml-exercise
cnn
ml-final
ele888-final
ai-final
+
–
1
1 vote
0
0 answers
834
834 views
What loss function to use in CNN-SVM model
I am using Matlab R2018b and am trying to infuse SVM classifier within CNN. My plan is to use CNN only as a feature extractor and use SVM as the classifier. I know people...
saugata28
130
points
1
1
3
asked
Jun 8, 2019
Deep Learning
deep-learning
supervised-learning
matlab
loss
+
–
1
1 vote
1
1 answer
593
593 views
is impossible predict hours time series to minutes time series?
https://stackoverflow.com/questions/55930051/is-impossible-predict-hours-time-series-to-minutes-time-series i want to this hours time series predict model to minute predi...
kmr1994
210
points
4
4
7
asked
May 1, 2019
Deep Learning
machine-learning
lstm
deep-learning
keras
+
–
3
3 votes
1
answers
1 answer
7.4k
7.4k views
How to update weights in backpropagation algorithm (a numerical example)?
Assume we have the following neural network and all activation functions are $f(z)=z$. If the weights are initialized with the values you see in table below, what will be...
tofighi
116k
points
73
79
101
asked
Apr 11, 2019
Machine Learning
machine-learning
deep-learning
backpropagation
back-propagation
gradient-decent
ml-exercise
ml-final
ele888-final
+
–
3
3 votes
1
answers
1 answer
9.4k
9.4k views
How to calculate feed-forward (forward-propagation) in neural network?
In the figure below, a neural network is shown. Calculate the following:1) How many neurons do we have in the input layer and the output layer?2) How many hidden layers d...
tofighi
116k
points
73
79
101
asked
Apr 4, 2019
Machine Learning
machine-learning
feed-forward
forward-propagation
deep-learning
ml-exercise
ml-final
ele888-midterm
ele888-final
ml-midterm
+
–
2
2 votes
1
answers
1 answer
6.6k
6.6k views
How to update weights using gradient decent algorithm?
For the below neural network, imagine we are going to use the backpropagation algorithm to update weights. If the Bias (b) in this problem is always 0 (ignore bias when y...
tofighi
116k
points
73
79
101
asked
Mar 28, 2019
Machine Learning
machine-learning
deep-learning
gradient-decent
backpropagation
cost-function
linear-regression
ml-exercise
ele888-final
+
–
1
1 vote
1
1 answer
1.3k
1.3k views
Determine weights on the paths that connect to the different data points in a neural network?
How do you determine the weight values that connect to the other data points when solving for our output in neural networks?
mcneils
130
points
1
1
3
asked
Mar 18, 2019
Machine Learning
data-science
machine-learning
deep-learning
+
–
1
1 vote
0
0 answers
504
504 views
Passing variable length sentences to Tensorflow LSTM
I have a tensorflow LSTM model for predicting the sentiment. I build the model with the maximum sequence length 150. (Maximum number of words) While making predictions, i...
sujitha
130
points
1
1
5
asked
Feb 10, 2019
General
python
deep-learning
tensorflow
classification
rnn
+
–
1
1 vote
1
answers
1 answer
3.6k
3.6k views
What is the difference between a batch and an epoch in a Neural Network?
Both of the batch size and number of epochs are integer values and seem to do the same thing in Stochastic gradient descent. What are these two hyper-parameters of this l...
tofighi
116k
points
73
79
101
asked
Oct 30, 2018
Machine Learning Interview Questions
machine-learning
deep-learning
stochastic-gradient-descent
batch
epoch
interview
hyper-parameter
ml-final
ai-final
+
–
1
1 vote
1
1 answer
788
788 views
What is the difference between machine learning and deep learning?
askds
500
points
6
6
9
asked
Oct 30, 2018
Deep Learning Interview Questions
machine-learning
deep-learning
+
–
1
1 vote
1
1 answer
3.1k
3.1k views
Using Tensorflow.DNNClassifier, getting Error: assertion failed: [Labels must >= 0]
Hi All,I am writing a simple program using Tensorflow and DNNClassifier. Training Data is 9 pixel with four spectral bands, i.e. 4*9=36 featurs. And each data-point will ...
mllearner000
190
points
1
1
4
asked
Oct 23, 2018
Deep Learning
deep-learning
tensorflow
classification
dnnclassifier
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–
2
2 votes
1
1 answer
1.4k
1.4k views
What are the main branches of Deep Learning algorithms?
interview
1.4k
points
11
19
23
asked
Oct 14, 2018
Deep Learning Interview Questions
deep-learning
interview
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