Questions tagged [coursera]

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What should I start with first? Python for beginners or applied data science? [closed]

I am new to data science and I would like to go deep into it. I decided to start working with advanced competitions on kaggle, yet I should refine my knowledge in python and ML. I am an engineer, with ...
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1answer
187 views

Does YOLO give preference to color over shape or vice-versa while detecting an object?

If you train your YOLO model only on grayscale images to detect car, then would it able to recognise a car in a colored image also. If so, then can I assume that YOLO consider only object shape not ...
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3answers
120 views

Advice on where to continue in the field of data engineering and machine learning

I finished a 28 hours Machine learning with python (Basic course) on Udemy, and it was very beneficial. My aim, is to be able to understand what is ML and how to use its concepts while working with ...
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1answer
250 views

Understanding 'scale_boxes' in YOLO Algorithm of CNN

I'm studying Andrew NG's Convolutional Neural Networks and am in Week 3 of the course which deals with object detection using YOLO algorithm . I don't understand one section in the programming ...
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1answer
397 views

Extract features from Decision tree leaf nodes

Recently came across a coursera course on "How to win Kaggle competitions" where they explain how we can engineer a categorical feature from each leaf node of the decision tree. [Video Link][1] I ...
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2answers
869 views

MATLAB @ symbol for fminunc / fmincg function

I am following Andrew Ng's Coursera class on machine learning, and I came across this syntax for the fminunc and fmincg functions: ...
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1answer
119 views

Difference between a log scale and linear scale : np.random.rand()

How and why will a linear np.random.rand() (to generate a linear scale between 0.0001 and 1) not result in better distributed result but ...
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1answer
175 views

Coursera's course "How to Win a Data Science Competition"

The Coursera Course "How to Win a Data Science Competition". Has onyone seen it? How is the quality of it? Would you recommend it?