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Data Science : Recent Questions and Answers (Page 39)

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

Is always converting a input vector into matrix and apply cnn's good idea?

I know the benefits of using cnns(reduced size weight matrices). Is it a good idea to convert a input vector(which is not a image) into a matrix and apply cnn's....

Asked on 09/01/2021

1 answer

How do I get one overall prediction, where each data point has many pictures?

My task is not a simple image -> category. I have between 5 and 10 images of an object, and I must classify it. The problem is that the category...

Asked on 09/01/2021 by Nicolas Gervais

1 answer

Naive Bayes always predicting the same label

I have been trying to write a naive bayes classifier from scratch that is supposed to predict the class label of the nominal car.arff dataset. However the classifier always predicts...

Asked on 08/31/2021 by ITDADDY

1 answer

How to avoid confusion between Percentage and Percentage Points?

Whenever I have to communicate a change in a numerical metric, I found myself struggling if I should use Percentage or Percentage Points. Especially, when the metric is a percentage...

Asked on 08/31/2021

1 answer

How can i tell if my model is overfitting from the distribution of predicted probabilities?

all, i am training light gradient boosting and have used all of the necessary parameters to help in over fitting.i plot the predicted probabilities (i..e probabililty has cancer) distribution from...

Asked on 08/31/2021

1 answer

How to get a rebalance strategy with a cost matrix?

In the case of a classification problem where a cost matrix is used to maximize the model performance, it is common to do a rebalance technique. Let's say for...

Asked on 08/31/2021 by Tasos

1 answer

Is it ok to trust regression predictions when none of the coefficients are statistically significant?

Background to the problem: I am estimating individual treatment effects using double machine learning model. I do not know true treatment effects for my problem. Double...

Asked on 08/31/2021 by Chandra

1 answer

Style transfer model outputs only zero valued pixels

Currently implementing the style transfer model proposed in the article Arbitrary Style Transfer in Real-time with Adaptive Instance Normalization. The model takes two RGB images as input:...

Asked on 08/31/2021 by The dickmaster

0 answer

Reasoning behind using Deep Learning on non-local data

I understand the using of deep learning for data that have "local" structure, for example, images/videos/texts, as the convolutional layers reduce the amount of dimensions. However, I saw that some...

Asked on 08/31/2021

2 answer

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