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Data Science : Recent Questions and Answers (Page 90)

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

What is a good method for detecting local minims and maxims?

I'm using kernel density estimation in order to computeprobability density function for item occurrence. Using this output, i want to find all the local minims and maxims.I'm interested...

Asked on 07/01/2021 by cristian hantig

1 answer

Information Gain of a Customer ID Attribute

Suppose I have a dataframe like the followingCustID ... Class1 ... C02 ...

Asked on 07/01/2021 by 324

0 answer

Fitting input data into Gaussian distribution

I'm currently reading papers on Variational Autoencoders (VAE). According to this article (http://proceedings.mlr.press/v95/guo18a/guo18a.pdf):By fitting the input data sample x(i) into the Gaussian distributionwith the reconstructed mean...

Asked on 06/30/2021 by Guillaume Mendlevitch

0 answer

Feature importance of random forests

I have a dataset with 11 features, I noticed that manipulating these features (eg dropping one or some of them) doesn't affect the error scores of training and testing data,...

Asked on 06/30/2021

1 answer

How does Google's Universal Sentence Encoder deal with out-of-vocabulary terms?

It seems to output embeddings even for random jibberish, and the similarity is even high for this particular pair of jibberish.np.inner(embed('sdasdasSda'), embed('sadasvdsaf'))array([[0.70911765]], dtype=float32)I'm wondering how sentences are tokenized...

Asked on 06/30/2021 by Tirtha

0 answer

How to identify new clusters that the training data has never seen

I have to identify the different operational states of a server. I have readings related to the different sensors of the server ( like temp sensor,fan speed sensor,job load sensor...

Asked on 06/30/2021 by Harshita Vemula

2 answer

Multiple Regression, Classification and Boundary Poins

I have two gangs which are doing crimes. And i want to classify them.Lets say I'm looking for a...

Asked on 06/30/2021 by Hans Mustermann

2 answer

What machine learning algorithms to use for unsupervised POS tagging?

I am interested in an unsupervised approach to training a POS-tagger. Labeling is very difficult and I would like to test a tagger for my specific domain (chats) where users...

Asked on 06/30/2021 by Tido

3 answer

GBM: small change in the trainset causes radical change in predictions

I have build a model using transactions data trying to predict the value of future transactions. The main algorithm is Gradient Boosting Machine. The overall accuracy on the testset is...

Asked on 06/30/2021 by Charles_de_Montigny

1 answer

Why convolutions always use odd-numbers as filter_size

If we have a look to 90-99% of the papers published using a CNN (ConvNet).The vast majority of them use filter size of odd numbers:{1, 3, 5, 7} for...

Asked on 06/30/2021 by Jonathan DEKHTIAR

3 answer

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