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  1. Teach before testing

    Data Science Methodology > Module 4 review question #2
    You didn't list the answer anywhere I could find in the material provided. Yes, I googled the answer (and hastily marked the wrong one), but is that the point?

    1 vote
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  2. Retake the course

    How can i retake the course?

    Thanks

    15 votes
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  3. Re-attempt on courses

    Hello,

    I see currently there is no way to re-attempt faild courses. it would be great if you add re-attempt like after 1 week or month. Maybe with different questions if possible.

    Thank you.

    Best Regards
    Mubashar

    13 votes
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  4. to add a small feature in the graded review questions

    There must be a check in the system so that empty answers are not submitted by the users by mistake that will cost their grades and lower their marks and reduce their chances to pass the course with flying colors.

    1 vote
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  5. To the review questions in module 3

    I found that the questions included in the module 3 are not in accordance with it.
    Found that these questions are not covered by what's discussed in the module.
    No sure if this is designed purposely.
    They resemble more to the topics covered in the module 4

    1 vote
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  6. 1 vote
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  7. Put all labs / notebooks you've touched under "My Data"

    Make all lab notebooks available under "My Data" so that I can come back and refer to them easily once all of the classes are done.

    1 vote
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  8. Adding next or previous buttons for videos ..will be easy and quick navigation

    I suggest to think about to add "Next" and "Previous" buttons in videos , As it will be helpful in easy and quick navigation through the course.

    Thanks

    2 votes
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  9. PY0101EN Module 5 Last Review Question Correction

    Matrix multiplication in numpy is performed with A.dot(B)

    np.dot(A, B) returns the dot product

    1 vote
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  10. Thanks a ton for the tutorial DA0101EN

    I had no way of showing my gratitude for the wonderful course on your site that's why I am posting it here. I took your course DA0101EN and am immensely grateful to you.

    Thanks and Regards
    Ashish Shukla

    1 vote
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  11. There should be an option to retake the exam .

    There should be an option to retake the exam . Questions can be changed if we take the exam the second time .

    6 votes
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  12. Drop videos - Go with Comprehensive slides

    Instead of showing videos show comprehensive slides in with as many examples as possible to make the course walkthrough much quicker and easier.

    1 vote
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  13. 1 vote
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  14. Fix exam wrong answer in DA0101EN

    Question 20 asks what you should do if a model gives R^2 = 1 on train set and R^2 = 0 on validation data. There are 3 options, I tried to answer with 2 submissions and the obviously wrong answer (model works fine on test data so it has no issues) is the only remaining option.

    Please fix this as some people could feasibly need this one question to pass the course.

    3 votes
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  15. i didnt not recieved my deep learning badge till now

    i didnt not recieved my deep learning badge till now even i completed all three courses in deep learning and got certificates but didnt got badge provide me my badge

    3 votes
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  16. I think there's a mistake in Python for Data Science course

    I think there's a mistake in Python for Data Science course in Sets /part of the second Module/ it states "...we use the ampersand to find the UNION of two sets." which IMHO is incorrect as ampersand is the sign for logical operation AND, which, applied to sets is equivalent of INTERSECTION /as it's correctly stated in the previous sentence/.

    1 vote
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  17. Hello, I am doing "moving Data into Hadoop" class, here for the lab section "BigInsights QuickStart Edition VM Image" link is not working

    Hello, I am doing "moving Data into Hadoop" class, here for the lab section "BigInsights QuickStart Edition VM Image" link is not working

    2 votes
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  18. "access denied " while logging on hadoop sandbox via putty

    Please suggest why "access denied" while logging on for hadoop sandbox via putty

    5 votes
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  19. `from sklearn.cross_validation import train_test_split` deprecated

    from sklearn.cross_validation import train_test_split is deprecated,

    it should be:

    from sklearn.model_selection import train_test_split

    1 vote
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  20. Text Analytics 101

    Text Analytics 101 no longer available? Do we know when this will become available again? It just says coming soon.

    1 vote
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