General

  1. automatically launch Application Master URL

    When we are executing MapReduce JOB; I suggest you to automatically launch Application Master URL providing recommendations on how many containers can optimize current job.
    Kindly let me know, if more details are required.

    1 vote
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  2. Courses unavailable

    I was uanble to access free courses on this protal. I have already logged my concern but still facing the same.

    2 votes
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  3. About progam in ML0120EN-3.3-Review-LSTM-LanguageModelling.ipynb

    When I run this part :
    from future import absoluteimport
    from future import division
    from future import print
    function

    import time

    import numpy as np
    import tensorflow as tf

    from tensorflow.models.rnn.ptb import reader

    they said : ImportError: No module named 'tensorflow.rnn'

    How to solve it ?

    1 vote
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  4. 1 vote
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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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  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. 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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  15. 12 votes
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  16. Please simplify course accessibility.

    I am not able to access the courses.

    2 votes
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  17. 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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  18. 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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  19. improve Data Science 101 - Module 1

    None of the links to the reading material actually work, I tried the links for Modules 1, 2 and 3. One of the discussion topic responses in Module 1 suggests a link to Google where a sample Chapter 6 of the book is available, but the Review Questions require answers from other Chapters, e.g. the question re Walmart is not in Chapter 6 but in Chapter 1. The selection of answers to the New York Times question do not match the actual article from April 2015 (can easily be found using Google).
    Overall I'd say this course is a disappointment…

    1 vote
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  20. Use a Spellchecker Before Publication

    In "Data Science Methodology", there are too many grammatical errors and answer errors in the reviews and exam for me to type out.

    Before a class is published online, it should have at least passed a basic spell and grammar check. It looks unprofessional.

    My suggestion is:

    Use a spellchecker before you upload it online. Also, at least one person should go through the reviews and exams to check if everything "looks" okay.

    I wanted this course to be supplemental material for my students. But the way it is now, I cannot suggest "Data Science Methodology" to them.

    1 vote
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