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Data Science : Recent Questions and Answers (Page 266)

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

How to download images and bounding boxes from imageNet?

I am doing object detection for a specific class, say, chairs . I want to download images of chairs from imageNet. I also want to download the annotation xml files...

Asked on 12/28/2020 by Nirvan Anjirbag

2 answer

Intuition behind One Class SVM (Scholkopf)

I am trying to understand the intuition behind the idea of finding a hyperplane that separates the training data from the origin in the feature space. Why separation from origin...

Asked on 12/28/2020

0 answer

Is Cross Validation needed for regression if you already know the predictors in your model?

Let's say you want to model the behavior of Y = X1 + X2 and you know that this is the model you want to make. Whether or not...

Asked on 12/27/2020 by confused

2 answer

Prediction problem across a wide space

I have assembled a database of Clash Royale games in an attempt to understand the outcomes of various match-ups. The game is composed of an 8 card deck drawn...

Asked on 12/27/2020 by C. Cooney

0 answer

How to determine key frames in a video for video classification?

How to detect changes between when the changes between 2 frames of videos that are significant enough to be counted for video classification? Thinking of the problem as analogous to...

Asked on 12/27/2020 by Jibin Mathew

1 answer

I am getting very minimal mse values and not sure if it is correct?

Below is the linear regression model I fitted and not sure if I am doing the right way as I am getting neat to 99% accuracyFitting Simple Linear Regression to...

Asked on 12/27/2020

1 answer

MNIST - Vanilla Neural Network - Why Cost Function is Increasing?

I've been combing through this code for a week now trying to figure out why my cost function is increasing as in the following image. Reducing the learning rate does...

Asked on 12/27/2020 by alwayscurious

2 answer

How is the Gaussian noise given to this BLSTM based GAN?

In a conditional GAN, we give a random noise along with a label to the generator as input. In this paper, I don't understand why in one...

Asked on 12/27/2020 by Mathav Raj

2 answer

How is Stochastic Gradient Descent used like Mini Batch gradient descent?

As I know, Gradient Descent has three variants which are: 1- Batch Gradient Descent: processes all the training examples for each iteration of gradient descent. 2- Stochastic Gradient Descent: processes...

Asked on 12/27/2020 by Hunar

1 answer

Need suggestions on customer segmentation

I have been tasked with performing customer segmentation for a Business to business use case based on customer purchase history. Can experts provide me inputs on how do I proceed...

Asked on 12/26/2020 by pkumar_a

2 answer

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