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Data Science : Recent Questions and Answers (Page 268)

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

What are deconvolutional layers?

I recently read Fully Convolutional Networks for Semantic Segmentation by Jonathan Long, Evan Shelhamer, Trevor Darrell. I don't understand what "deconvolutional layers" do / how they work. The relevant...

Asked on 12/25/2020

11 answer

Practical attention models

Attention is all you need is a nice paper that suggests usingpositional encodings as an alternative to RNNs in their Transformer architecture. GPT-2 and GPT-3 are...

Asked on 12/25/2020 by Valentas

1 answer

Loading DenseNet with pretrained weights on imagenet

I load the pretrained DenseNet for my dataset. When I use fit to run the model, I get memory exhausted error. So, I tried using the following command:from keras...

Asked on 12/25/2020

0 answer

Detectron2 Alteranatives

Detectron2 is really good and it supports large number of models / but not all. Eg. Yolo. Do we have alternative to detectron2 which provide easy to use API for...

Asked on 12/25/2020

0 answer

What's Joint Training in Neural Networks?

I'm having a hard time trying to find a good explanation of the process of Joint Training in Neural Networks. I already understand the concepts of Fine Tuning and Feature...

Asked on 12/25/2020 by BestDogeStackoverflow

1 answer

What to do when seed has a big impact on model performance?

I have a training procedure set up for an image recognition task. Each time I train a model, I record training loss, validation loss, validation precision and validation recall. Recently...

Asked on 12/25/2020 by Louka Ewington-Pitsos

2 answer

How can I determine how many signals there are in a mixture?

Let's say that I have 9 sensors arranged in a 3 by 3 grid. I have multiple objects which emit the same signal and move past the grid of sensors,...

Asked on 12/25/2020 by Robert Barroll

1 answer

Find suitable locations using Machine Learning

Just for fun, I am currently trying to find suitable locations to deploy new stores. So what I did so far is to take the actual sites of current stores...

Asked on 12/24/2020 by Lossa

1 answer

Does mini-batch gradient descent nullify the effect of stratification on the training data set?

In data pre-processing, stratified shuffle is used to ensure that the distribution of the original dataset is reflected in the training, test and validation dataset. Mini-batch gradient...

Asked on 12/24/2020 by Tarun Pratap

1 answer

Standardization on training and split data

I am confused on which of the following should be used for standardization:method 1: fit transforming training data and only transforming test datafrom sklearn.preprocessing import StandardScalersc = StandardScaler()X_train =...

Asked on 12/24/2020 by nishanth reddy

1 answer

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