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Data Science : Recent Questions and Answers (Page 95)

Find answers to your questions about Data Science or help others by answering their Data Science questions.

Dynamic graph dataset

I'm working with dynamic graph embedding but I can not seek the dataset for my problem. Can you help me find dataset with some requires:A series of graph which represent...

Asked on 06/25/2021

1 answer

Is there any book for modern optimization in Python?

I was reading Modern Optimization with R (Use R!) and wondering if a book like this exists in Python too? To be precise something that covers stochastic gradient...

Asked on 06/25/2021 by StatguyUser

4 answer

How to put data into a 1-dimensional ConvLSTM2D with keras?

I am attempting to adapt the frame prediction model from the keras examples to work with a set of 1-d sensors. I have android wearable sensor data...

Asked on 06/25/2021 by Chris Cabral

1 answer

Would descriptors of the last hidden layer of two different CNN be the same?

I am given a dataset of 2D medical images. I am asked to extract image descriptors from the hidden layer of the neural network pre-trained on the ImageNet dataset. I...

Asked on 06/25/2021

1 answer

How to interpret sudden jumps of improvement in training error vs. iteration?

In the Residual learning paper by He et al., there are a number of plots of training/test error vs. backprop iteration. I've only ever seen "smooth" curves...

Asked on 06/25/2021 by Alexander Engelhardt

0 answer

Network Size in neural network

What are the limitations of having too many hidden units in the Neural NetworkDoes it take more memory or takes longer time to train the model...

Asked on 06/25/2021 by user3159445

2 answer

Hand preprocessing data

I am working with a relatively small (~1000 samples) dataset that has some very messy text data (i.e lots of things missing, no real structure, etc.). I am trying to...

Asked on 06/25/2021

1 answer

Autoencoder for Extremely Sparse Data

I am attempting to train an autoencoder on data that is extremely sparse. Each datapoint is only zeros and ones and contains ~3% 1s. Being that the data...

Asked on 06/25/2021 by PDPDPDPD

0 answer

Latent Dirichlet Allocation vs Hierarchical Dirichlet Process

Latent Dirichlet Allocation (LDA) and Hierarchical Dirichlet Process (HDP) are both topic modeling processes. The major difference is LDA requires the specification of the number of topics, and...

Asked on 06/25/2021 by alvas

6 answer

Best algorithm for real-time instance segmentation in videos?

I want to do object detection in real-time (meaning localization and classification) on videos (25 FPS), but with the added constraint that my training data is labelled using binary masks,...

Asked on 06/25/2021 by Leon Cullens

0 answer

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