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Data Science : Recent Questions and Answers (Page 322)

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

When combined correlation of features decreases

I'm building a machine learning model in Python to predict soccer player values. I'm trying to predict a "player_value" column containing the value of a specific player. Consider a sample...

Asked on 08/28/2020 by Caldass_

2 answer

Instance segmentation performance depending on the number of classes

I have a setting in which I have approximately 10 classes, one of which I would need to put an extra emphasis on. Whilst training a mask-rcnn instance segmentation network...

Asked on 08/28/2020

1 answer

Regarding Keras mean_squared_error losses

I am trying to do a RandomizedSearchCV for a simple regression task. Essentially two inputs to one output. Upon inspecting the resulting models, it appears that the 'best' model has...

Asked on 08/28/2020 by Corse

0 answer

How to do this complicated data extrapolation, prediction modeling?

I have some very complicated data about some movie sales online, first for each data entry, I have a key which is a combination of five keys, which are territory,...

Asked on 08/28/2020 by user3634601

1 answer

How to build a textual search engine?

I am having an HTML string and want to find out if a word I supply is relevant in that string. Relevancy could be measured based on frequency in the...

Asked on 08/26/2020

2 answer

Can we use Binary Cross Entropy for Multiclass Classification?

In this link, the author has implemented a CNN which classifies 15 classes and has used Binary Cross Entropy as the loss function. But since it's multiclass...

Asked on 08/24/2020 by Aditi Agrahari

3 answer

Why does a filter need to be applied to the output of the input gate before cell state is added to?

In a neural network there are 4 gates: input, output, forget and a gate whose output performs element wise multiplication with the output of the input gate, which is added...

Asked on 08/24/2020 by Mario Ishac

1 answer

Why infinite sampling is not realisitc assumpition in most real applications

I came across the below paragraphs, which I believe are the answers to the question Why infinite sampling is not realistic assumption in most real applications. Still i dont get...

Asked on 08/23/2020 by James K J

1 answer

What is an autoencoder?

I am a student and I am studying machine learning. I am focusing on deep generative models, and in particular to autoencoders and variational autoencoders (VAE). I am trying to...

Asked on 08/23/2020

3 answer

error when input function called with shape (2,2)

I am new to Tensorflow and machine learning. I am trying to use high level API from Tensorflow. Please tell me what i am doing wrong. import tensorflow...

Asked on 08/22/2020 by maswadkar

2 answer

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