General

  1. "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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  2. Update courses regularly, Respond to questions in forum

    Update existing courses and respond in forum

    1 vote
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  3. Retake the course

    How can i retake the course?

    Thanks

    16 votes
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  4. Show/suggest learning/skill paths

    Group courses to define graduation series from foundation to expert. For example, I completed a foundation or introductory course which should be a prerequisite to a more advanced course, I should know which one to take next.

    1 vote
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  5. Errors in the data

    = df[["horsepower","curb-weight","engine-size","highway-mpg"]]
    lm.fit(Z,df["price"])
    Yhat = lm.predict(Z)

    There is an error as it shows Yhat = lm.predict(X) and this is incorrect. must be Z

    2 votes
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  6. ABOUT the data visualization with python

    here is your dataset--->The DataFrame dfcan = pd.readexcel('https://ibm.box.com/shared/static/lw190pt9zpy5bd1ptyg2aw15awomz9pu.xlsx', sheetname='Canada by Citizenship', skiprows=range(20), skipfooter=2 )

    rr
    But acually,python can't not work and also crashed;here i download the file and cancel the(dropdown list) set ,and i upload to my box cloud,so here you can go to download in this URL (https://app.box.com/s/zkd6hlp15nr38581ew0kifswwncaacwr), and you have to check out what cloumns have and to decide to use .drop method

    and now, when you download file finished and use df=pd.readexcel( your filepath,sheetname=' Canada by Citizenship (2)', skiprows=range(20), skip_footer=2)
    ) BY THE WAY,your filepath is different…

    1 vote
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  7. the data visualization with python

    your set is here-->[The DataFrame dfcan = pd.readexcel('https://ibm.box.com/shared/static/lw190pt9zpy5bd1ptyg2aw15awomz9pu.xlsx', sheetname='Canada by Citizenship', skiprows=range(20), skipfooter=2 ).....but python can't work out.

    hey i download this file website ('https://ibm.box.com/shared/static/lw190pt9zpy5bd1ptyg2aw15awomz9pu.xlsx'),so here ,there is filepath changed,here i would like to show how to represent.....here as you can see the command codes below.....

    import numpy as np

    import pandas as pd

    file='C:/Users/Asus/Downloads/Canada.xlsx'

    df=pd.ExcelFile(file) # load spreadsheet

    print(df.sheet_names) #print the sheets names

    ['Regions by Citizenship', 'Canada by Citizenship', 'Canada by Citizenship (2)']

    df1=df.parse('Canada by Citizenship (2)',skiprows=range(20))

    df1.head()
    Immigrants Foreigners ... 391 397 0
    Immigrants Foreigners ... 1075 487 1
    Immigrants Foreigners…

    1 vote
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  8. Advanced course paths similar to other platforms

    We need more hands on experience and intermediate ad advanced level courses like coursera offers for free because it's quite expensive..! This platform is very different when compared to those because we have the proof to showcase our talents immediately after we finish our final test..! And all the courses are free..😊

    1 vote
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  9. how to connect mysql in systemt.datascientistworkbench.com

    how to connect mysql in systemt.datascientistworkbench.com

    1 vote
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  10. python

    Please add more Python courses.

    2 votes
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  11. Use downloaded data instead of external site for the lab

    Data Visualization with Python lab data from external site incorrect. Suggest you to download a fixed format data to your drive for the lab

    2 votes
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  12. Retake the Final exam

    Please add help button, regarding retaking of exam in the same course ware

    133 votes
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  13. More detailed and advanced Courses

    More advanced courses is needed on BIG DATA, Cloud Computing and on Relational Databases.

    1 vote
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  14. Create database/tables in Hive using ssh to systemt.datascientistworkbench.com

    Good Day,

    I ssh systemt.datascientistworkbench.com. Then I start hive using "hive" command. I try to create database/tables in hive but it says I don't have access.

    I see many test kind of hive databases which people have created. How can I create database/tables in hive?

    Please advise.

    Thanks.

    -Shakeel

    4 votes
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  15. fixing typo error in logistic reggression lab

    the following code has a typo error:
    irisy= pd.getdummies(irisy).valuestrainX, testX, trainY, testY = traintestsplit(irisX, irisy, testsize=0.33, random_state=42)

    can you please fix it?

    1 vote
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  16. Platform to solve Real Life problem with assessment

    Create a learning platform like www.Kaggle.com to employ people to solve real life problem practiced using public data set.

    1 vote
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  17. Error: Max retires. Please refresh this page to try again or contact support for help.

    Hi,

    Am starting a new course - Deep Learning with TensorFlow
    IBM Cognitive Class ML0120EN

    but, When i try to start the lab, am getting the following error:-

    Error: Max retires. Please refresh this page to try again or contact support for help.

    Can you let me know how to fix it? Yes i did try to refresh, the webpage multiple times....still it is not working!

    Regards
    Sridhar

    6 votes
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  18. Support for more web browsers than just Chrome

    I was not able to access the Lab content in the R101 course when I used FireFox. Only when I used Chrome was I able to access the lab content. This is a limitation of the Cognitive Class Labs/Data Scientist Workbench. I also noticed that Seahorse only supports Chrome. I would like to see support for more browsers, and not just Chrome.

    2 votes
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  19. Not updated

    Hello,

    I'm currently doing the Hadoop 101 course. I found that the facilities for Lab is no longer accessible and the training guide for Lab is not updated. Can you guys update all the required information? Thanks.

    1 vote
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  20. Goof

    Good

    1 vote
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