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  1. BLOCKCHAIN

    A learning path focused on Blockchain Technologies would be a great success. There is a huge and global interest in this set of technologies.

    I finished the course "Blockchain Essentials BC0101EN" and I think that the subject is so important and deep that a full learning path will be completely justified.

    Best regards.

    1 vote
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    • 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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      • advanced chatbot course

        Advanced course on chatbots

        2 votes
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        • Send an email alert once a course becomes available.

          I would like to pre-enroll to a course that is not available yet (Text Analytics) and to get an email alert once the course becomes available. Alternatively I would also appreciate to have the option to "subscribe" to a learning path and if that learning path is updated with additional courses then I would get an email alert.

          I really appreciate the Cognitive Class platform and I don't want to miss an interesting introduction to text analytics.

          2 votes
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          • transcript in video can't be downloaded for many courses like DS0105EN & DS0103EN

            transcript in video can't be downloaded for many courses like DS0105EN & DS0103EN
            When select download script function, browser (IE or firefox) do not start download at all.

            1 vote
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            • re-publish Hadoop 101 with a better narrator

              Just a comment to say that the narrator for these courses is in a hurry, and slurs the words, and does not annunciate. It seems that the best way to review these topics is to listen once, then go back and re-read the text that is associated with the material. Also, when I try to slow down the voice, it does not seem to take to .75 .. I have to change it to .5 and then change it again to .75 .

              2 votes
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              • what is the road map a person should take in order to get a solid Data Science competitive skills

                there are too many courses here, is there any one who can give a road map for the data science journey, where to start and what are the core and elective courses needed to to become a data scientist, are big data , cognitive analytic,machine learning, deep learning part of data science discipline ,in what order should I start those courses

                1 vote
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                • 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

                  1 vote
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                  • python

                    Please add more Python courses.

                    2 votes
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                    • Option to save courses without enrolling

                      Add an option to save a course (in a list of saved courses) in order to save courses to enroll later similar too bookmarks.
                      This way the user doesn't have to enroll in order to "save" the course to do it later.

                      1 vote
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                      • ABOUT the data visualization with python

                        here is your dataset--->The DataFrame df_can = pd.read_excel('https://ibm.box.com/shared/static/lw190pt9zpy5bd1ptyg2aw15awomz9pu.xlsx', sheet_name='Canada by Citizenship', skiprows=range(20), skip_footer=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.read_excel( your filepath,sheet_name=' Canada by Citizenship (2)', skiprows=range(20), skip_footer=2)
                        ) BY THE WAY,your filepath is different from me, don't forgrt to check…

                        1 vote
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                        • The Data Science Foundation Path Does Not Make Sense.

                          The Data Science Foundation Path Does Not Make Sense. It goes from a very basic (and good) introductory course discussing what data science is and how it can be used (a 101-level course), to the next course in the path with talks about using tools that an aspiring beginner does not understand, and furthermore, it speaks in a language beginners do not understand ("Jupyter is an evolved version of Python"---??? What does this even mean? What is Python; what is any of this?)

                          This path is missing several steps between the first course, which is marked at having an audience…

                          2 votes
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                          • the data visualization with python

                            your set is here-->[The DataFrame df_can = pd.read_excel('https://ibm.box.com/shared/static/lw190pt9zpy5bd1ptyg2aw15awomz9pu.xlsx', sheet_name='Canada by Citizenship', skiprows=range(20), skip_footer=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 ... 83 107 2 …

                            1 vote
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                            • 1 vote
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                              • Big Mistake

                                In video "ANOVA" at 3:51 there is a big mistake in my opinion because

                                pvalue=1.0586193512077862e-11 not shown and the narrator said it is greater than 0.05 and this destroy the logic of the video.

                                Kindly fix it fast.

                                2 votes
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                                • Website improvement

                                  In Deep learning Fundamentals buttons for switching tabs are not working

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

                                      how to connect mysql in systemt.datascientistworkbench.com

                                      1 vote
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                                      • Not able to enroll for Text Analytics 101

                                        Dear Team,
                                        Not able to enroll for Text Analytics 101 courses. it's spinning and nothing is happening while clicking on Enroll button. Can you please help me to enroll for these courses

                                        5 votes
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                                        • Automatic jump to next lecture

                                          Should jump to next lecture at the count of 5 sec.

                                          1 vote
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