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Data Science : Recent Questions and Answers (Page 98)

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

Why is this not ordinary convolution?

I am currently studying this paper (page 53), in which the suggest convolution to be done in a special manner. This is the formula: begin{equation} tag{1}label{1}...

Asked on 06/22/2021

1 answer

Percentage of smaller dataset with respect to bigger dataset

I have two datasets, which are lists of multidimensional real-valued vectors. One dataset (call it $A={x_1, x_2, x_3, ..., x_n}$ is of a big size, the other (call it...

Asked on 06/22/2021

1 answer

What algorithms are good to predict next numbers?

Let's consider we have several hundreds of numbers like ( 1, 2, 5, 8, 7, 15, 19, 8, 4, 6, ...) those are closed numbers of a stock on consecutive...

Asked on 06/22/2021 by Hasani

2 answer

On what principle did Google's DeepMind learn to walk?

I just saw this video on Youtube. On what principle did Google's DeepMind learn to walk? Was it Q-Learning or a Genetic Algorithm or Policy Gradient?...

Asked on 06/22/2021

1 answer

Loss function range normalization

This is from a referee report in a conference to which I submitted my paper - I don't quite get it and I'm not sure what I need to do...

Asked on 06/22/2021

1 answer

One-hot encoding to embedded vector - BigGAN

I am trying to replicate a BigGAN architecture in Tensorflow but fail to understand exact nature of inputs.BigGAN generator has 2 inputs, noise z that is...

Asked on 06/22/2021 by Bartek Wójcik

0 answer

Scalable way to calculate betweenness centrality for a graph in spark

I have a use-case to calculate betweenness centrality of nodes. I have tried graphx with spark-betweenness but it is a very long running job. Has anyone successfully...

Asked on 06/22/2021 by abhati

1 answer

Can absolute or relative contributions from X be calculated for a multiplicative model? $log{ y}$ ~ $log {x_1} + log{x_2}$

(How) can absolute or relative contributions be calculated for a multiplicative (log-log) model?Relative contributions from a linear (additive) modelE.g., there are 3 contributors to $y$ (given by the three...

Asked on 06/22/2021

1 answer

Issues with pandas chunk merge

I'm trying to solve a kaggle competition Since the data is too much to fit in memory at once, I'm trying to clean, process and save data...

Asked on 06/22/2021 by Sany

0 answer

Finding the duplicate values between all columns and sort in new column with Pandas?

I have this DataFrame: CL1 CL2 CL3 CL40 a a b f1 b y...

Asked on 06/21/2021 by Jsmoka

2 answer

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