Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 205

Idenitity between TD(0) algorithm and Policy Evaluation in Dynamic Programming when alpha is equal to 1

TD(0) algorithm is defined as the iterative update of the following: $$ V(s) leftarrow V(s) + alpha({r + gamma V(s')} - V(s) ) $$ Now, if we assume alpha...

Asked on 02/26/2021

2 answer

predict multiple letters in pixels matrix

I have a multilayer perceptron model that is trained to recognize handwritten English letters from an image. In the training set each image matrix had 784 pixel values. The labels...

Asked on 02/26/2021 by jxpython

0 answer

GPU memory requirement calculation from network architecture

I would like to get a rough idea of the GPU Ram requirement for a network based on the number of layers and the number of nodes at each layer....

Asked on 02/26/2021 by Omroth

1 answer

Relationship Between Independent and Dependent variables

I calculated the distance correlation among the independent variables and the dependent variables to verify the nonlinear relationship among the variables and the values I am getting for each independent...

Asked on 02/26/2021 by Vishesh Kumar

1 answer

A/B testing with non-Gaussian distributions

I have two sets of samples (A, B) with a relatively high number (~10,000) and I want to see if a factor has affected sample B or not. Naturally, I...

Asked on 02/26/2021 by anishtain4

3 answer

Keras models break when I add batch normalization

I'm creating the model for a DDPG agent (keras-rl version) but i'm having some trouble with errors whenever I try adding in batch normalization in the first of two networks....

Asked on 02/26/2021 by axon

2 answer

Region Proposal Network - How to subsampling 256 fg/bg anchors

I am trying to understand training process of RPN. I have problem with creating mini batches of 256 anchors. If features map has shape 18x25=450 and every position has 9...

Asked on 02/26/2021 by Ivan Phillips

0 answer

Scikit-learn SelectKBest is picking up obviously unwanted Features

Dataset Dataset Summary: Bank Loan (classification) problem Problem Summary:I am exploring ways to simplify EDA Process (Exploratory Data Analysis) of finding the best fit variablesI came across...

Asked on 02/25/2021

1 answer

What is the suggested way to create features (Mel-Spectograms) from speech signal for classification with ResNet?

At the moment I have this piece of code which cuts a Spectogram into fixed length tensors:def chunks(l, n): """Yield successive n-sized chunks from l.""" ...

Asked on 02/25/2021 by 3r1c

0 answer

What is the difference between BERT architecture and vanilla Transformer architecture

I'm doing some research for the summarization task and found out BERT is derived from the Transformer model. In every blog about BERT that I have read, they focus on...

Asked on 02/25/2021 by Luong Minh Tam

1 answer

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