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Data Science : Recent Questions and Answers

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

How to get a output of a hidden layer of a single-layer LSTM

How can get the hidden layer outputs in a simple one-layer lstm?cat("Building Modeln") ...

Asked on 11/30/2021

1 answer

Is too much or very few training sample of a specific feature hamper the neural network model?

I am analysing a technique "Sherlock" - a semantic type of column detecting technique wherein training dataset too many samples of a specific type are limited up...

Asked on 11/30/2021

1 answer

Does label encoding an entire dataset cause data leakage?

I have a dataset on which one of the features has a lot of different categorical values. Trying to use a LabelEncoder, OrdinalEncoder or a OneHotEncoder results in an error,...

Asked on 11/30/2021

3 answer

Why is Spark's LinearRegressionWithSGD very slow locally?

I have been trying to run linear regression with SGD that is found in Spark mllib for some time and I am experiencing huge performance problems. All examples that I...

Asked on 11/27/2021

1 answer

Understanding The Vertical and Horizontal stack in conditional gated Pixelcnn paper

I found some confusion understanding the importance of vertical and horizontal stacks as a solution to the blind spot problem presented in the original pixel cnn architecture discussed in this...

Asked on 11/27/2021

2 answer

conversion of dictionary to json to be sent to requests.post

I have a data frame like this.df=pd.DataFrame({'sub1':[10,20,30,40],'sub2':[5,10,15,20],'sub3':[1,2,3,4]})and a dictionary like this.stud={}stud['name']="abc"stud['id'] ="AB10"stud['address']="some_address"I convert that data frame to dictionary and combine with the stud dictionary.I wrote the following code.Then...

Asked on 11/27/2021

1 answer

Calculating the entropy of a neural network

I am looking to calculate the information contained in a neural network. I am also looking to calculate the maximum information contained by any neural network in a certain amount...

Asked on 11/27/2021

1 answer

Help interpreting GAN output, and how to fix it?

After a few tries, I had trained a GAN to produce semi-sensible output. In this model, it almost instantly found a solution and got stuck there. The loss for both...

Asked on 11/27/2021

1 answer

Random Forest with 2D features

I try to predict the position of a specific point (crest) in a 1D signal (elevation profile). Until now, I computed gradient at every point of my signal and combined...

Asked on 11/27/2021

1 answer

Public datasets that show "cyclical" behavior

I am looking for any publicly available dataset that has a "cyclical" structure to it, in the sense that if I plot the data in a certain way, a loop...

Asked on 11/27/2021

1 answer

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