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  1. 9 votes
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  2. 1 vote
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  3. verification of answers

    For the review questions , rather than having a 'check -reset-final check', I think it will be more intuitive and computationally more efficient to have a conditional submission. I.E In the first attempt If a check results in a correct answer, the submission should auto-lock it self. That way you will not have to reset and then again perform a final check because we have already got the answer in the first attempt.

    -Vivek
    Masters in CS UTDallas

    2 votes
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  4. Course Ideas

    I would enjoy seeing some courses on:
    * Elasticsearch
    * Cassandra
    * Redis
    * more on Kafka
    * Akka
    * Go programming language

    2 votes
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  5. Not a single video is working for this course "Data Science Methodology" and "Text Analytics Essentials - Case Study(For Cognizant)".

    Not a single video is working for this course "Data Science Methodology" and "Text Analytics Essentials - Case Study(For Cognizant)".

    Whenever tried to open showed "File not found" message.

    5 votes
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  6. two answers showing correct answer, and other suggestions

    On Q.13 of Spark overview for scala analytics, both 'group by ' and 'all of the above' is showing the answer as correct. it is supposed to be a single correct answer question. Please correct it.
    second, kindly make arrangements so that there is no check-reset-check-reset-check-reset-final check loop!!
    It would make more sense to save and evaluate the answer when the option is clicked.
    This exam had 20 question, for each question the number of steps are :,
    1.click option of choice
    2.click check
    3.click reset
    4.click option
    5.click check
    6.click reset
    7. click option
    8.click final check

    That's 8…

    1 vote
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  7. Instructor Voice in Hadoop 101

    It will be really helpful if the voice of the instructor can be changed. The instructors speed and pronunciations was too much to understand. With only good intentions i request the administrator to make the necessary changes to help students.

    7 votes
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  8. User Interface

    When one clicks on the username, a list of enrolled courses are listed. I would suggest the team to categorize the courses as enrolled, In Progress and completed. This makes the UI more user-friendly and the user can easily keep a track of the status of his/her courses

    2 votes
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  9. Deep Learning 101

    The Review questions in Deep Learning 101 are just too hard to solve. There are too many questions which just do not refer to the materials. In module 1 - Review question 3, there is even a bug. You have 2 submissions for a yes or no question. Another example is Module 2, question 3 where the option "Experience in coding" is just not clearly enough. I still have no clue how to get the information for module 2, question 2... Since I fail if I continue (even when I understood the topic) I just don't continue on answering these…

    5 votes
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  10. Improve PA0101EN

    The audio is bad enough that the transcribed text is wrong. Please make and enforce some minimum standard for recording quality, especially when it is in a course that is exclusively for an expensive IBM product! (Out of all of the course videos I have seen so far, this is easily the worst quality and presentation)

    The review questions are also glitchy, it forces the user to reset the question and then resubmit the final. But in some cases, the answers have moved positions!

    1 vote
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  11. Group the passed exams in user dashboard

    It would be nice to separate the completed courses from the currents in the list under the user dashboard (https://courses.bigdatauniversity.com/dashboard).
    Maybe you can simply separate the list adding a new heading between the two lists. Better would be using tabs or accordion. :D

    Thanks and keep on the good work!

    6 votes
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  12. System T 502 Error Bad Gateway on Launching

    Hi,
    Am trying to launch System T and am getting Bad Gateway 502 Error. Please advise. I have login using my bigdatauniversity credentials.

    5 votes
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  13. Big Data Adoption

    Just want to let you know that the text next to the video is linkable, and looks it must be plain text explaining the content and context of the video.

    1 vote
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  14. Automatically check exams after time runs out

    I though there is an automatic checking after the time runs out on Timed Final Exams. I answered all the questions but the scores were zero because I didn't check it one by one. I earned a Badge but there was no certificate issued. How sad? :( I got frustrated.

    3 votes
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  15. Add better flow for the courses

    I find when you go through the courses, it isn't easy to change to the next video. You have the arrows that sit at the bottom of the page but they don't do anything. Maybe set them up to go to the next video. Also everytime you want to go to the next video it takes a little too long for the next page to load

    1 vote
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  16. 12 votes
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  17. Create seperate sections in the Dashboard to categorize "Completed Courses" and "Currently Enrolled Courses"

    I think it will be a good idea to create separate sections in the Dashboard to categorize "Completed Courses" and "Currently Enrolled Courses". This will make it easier for students to track the courses they have already completed and currently attending.

    10 votes
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  18. Please simplify course accessibility.

    I am not able to access the courses.

    2 votes
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  19. give an alternative for ibm.box.com

    Hi,
    could you please reconsider having your files (images and pdf's) on your server -bigdatauniversity.com- instead of ibm.box.com ?

    Eventually please add a pure text transcript as an alternative.

    due to the company policy I have blocked any pages with file-sharing, so I can not see the images in test questions and can not view any files hosted on ibm.box.com

    2 votes
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  20. R 101: Module 2, Question 3

    Both:

    data.frame("student"=c("John","Mary"),"id"=c(1,2))

    AND

    data.frame(student=c("John","Mary"),id=c(1,2))

    give the desired result

    1 vote
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