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Data Science : Recent Questions and Answers (Page 250)

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

Hypothesis vs Hyperplane in Machine Learning

I am finding it hard to understand the clear difference between Hypothesis and Hyperplane. I know that Hypothesis is a candidate model that maps inputs to outputs after training ....

Asked on 01/11/2021

1 answer

Should features be correlated or uncorrelated for classification?

I have seen researchers using pearson's correlation coefficient to find out the relevant features -- to keep the features that have a high correlation value with the target. The...

Asked on 01/10/2021 by Srishti M

3 answer

How do I best visualize this voltage data for a science project

I'm helping my son with his 7th grade science project. We've had a good deal of fun with our experiments with Solar Arrays and charging 12 volt UPS batteries! But,...

Asked on 01/10/2021 by user3687778

1 answer

How to downsample a dataset with constraints in Python?

I have a dataset that has columns a, b, and others. Both a and b are numerical values, for example, a b c...

Asked on 01/10/2021 by Mr.cysl

0 answer

How to predict class label from class probability given by predict_generator for testdata?

While using Keras' flow_from_directory method to train my model on a multi-class image classification problem, the predict_generator function gives the class probabilities. So, my query is how to get the...

Asked on 01/10/2021 by B. Kanani

3 answer

How can I use my laptop to implement analysis in Python but use a different fast server for computation of analysis?

I am working in a company but I am new in the field. We have a central server which is faster than my laptop (of course). So my goal is...

Asked on 01/10/2021

1 answer

Where does the evaluation speed advantage of Transformer-XL come from?

The Transformer-XL paper claims an advantage in evaluation speed 363x-1874x than that of a baseline Transformer model. However, I do not understand where this massive difference comes from. Although states...

Asked on 01/10/2021 by usabik

0 answer

Why is the variance of my model predictions much smaller than the training data?

I trained a GRU model on some data and then created a bunch of predictions on a test set. The predictions are really bad, as indicated by a near zero...

Asked on 01/09/2021 by eartoolbox

1 answer

out of frame landmark detection with CNN

a robust landmark detector must cope with occlusion (the landmark surrounding are occluded by another object) the detection can still be performed but it should be stressed that the landmark...

Asked on 01/09/2021 by yuri

0 answer

Interpretation of accuracy score on subset of data points

I have a multi-class problem that I am building a classifier for. I have N total data points I would like to predict on. If I instead predict on n...

Asked on 01/09/2021 by Jake Morris

2 answer

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