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Data Science : Recent Questions and Answers (Page 8)

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

Data normalization in nonstationary data classification with Learn++.NSE based on MLP

I need to predict technical aggregate condition using vibration monitoring data. We consider this data to be nonstationary i.e. distribution parameters and descriptive statistics are not constant. I found that...

Asked on 12/11/2021

1 answer

How interpret keras training loss without compare with validation loss?

I have several implementation of the same neural network, but each one with different starting parameter. This is one of...

Asked on 12/11/2021

2 answer

Accessing Flask WS APIs over intranet -

I have 2 scripts - A.py and B.py, and both are Flask apps.A.py renders a web page and acts as my UI taking inputs from user.B.py is hold...

Asked on 12/11/2021

1 answer

Mathematics: Can the result of a derivative for the Gradient Descent consist of only one value?

I have a problem of a task using the formula of the Gradient Descent: Perform two steps of the gradient descent towards...

Asked on 12/11/2021

1 answer

Measure correlation for categorical vs continous variable

Given a variable which is categorical that depends on continuous variables, I would like to know how to check wether these continous variable explain the categorical one. So:Y =...

Asked on 12/11/2021

2 answer

Alternative regression model algorithms for machine learning

I am looking for not so known regression models and if possible a python library that implements it. In my quiver I have:Generalized Linear Models, Linear, Lasso, Ridge...Decision Tree based...

Asked on 12/11/2021

1 answer

is it wrong to use average='weighted' when having only 2 classes?

In the book 'Text Analytics with Python', the author provides model_evaluation_utils.py In the code of the .py he does:metrics.precision_score(true_labels, predicted_labels,average='weighted')I have two questions regarding it: 1- per the documentation...

Asked on 12/11/2021

1 answer

Which algorithm to use for transactional data

I'm given a Dataset of transactions and asked to find insights for businesses. I'm extremely new to ML / Data science and have only been experiencing with KMeans. The dataset...

Asked on 12/11/2021

3 answer

How to handle sparsely coded features in a dataframe

I have a dataset that contains information regarding diabetes patients, like so: id diabetes diet insulin lifestyle...

Asked on 12/11/2021

1 answer

What is External representation of time in Sequential learning?

I am reading the literature on sequential learning and it is often mention that in order to handle sequential/temporal data, there two categories of work in sequential learningExternal Representation of...

Asked on 12/11/2021

0 answer

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