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  1. unable to access the cognitive class labs, it shows 500 internal server error

    unable to login to access the cognitive class labs, it shows 500 internal server error

    10 votes
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      3 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
    • My Courses section should be divided in Completed and In Progress.

      Additionally, a progress bar would be nice to have and a feature to resume learning from where you left off.

      6 votes
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        0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
      • After i am practicing lab from jupiter notebook, in

        After i am practicing lab from jupyter notebook, in order to take print out , i want it in text file...
        if u include text file creation in lab practices, will be useful

        1 vote
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          0 comments  ·  Jupyter - R  ·  Flag idea as inappropriate…  ·  Admin →
        • Poor Support

          I has raised an issue around weeks back, but still I have not received any response back or work arounds.

          1 vote
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            0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
          • Correction in Lab-String operations

            In the lab of string operations the explanation of upper method in string operations "this method converts lower case characters to upper case characters" should be present instead of "this method converts upper case characters to lower case characters"

            1 vote
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              0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
            • I believe the anser to the following question is wrong.

              Retrieve the elements stored at index 1,2, and 3 of 'a_list'

              I suggest the answer should be:

              A[1:4]

              ['hello', [1, 2, 3], True]

              The suggested answer int he docs is "a_list[1:3]" which only returns two elements.

              1 vote
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                0 comments  ·  Data Prep  ·  Flag idea as inappropriate…  ·  Admin →
              • pkg DeducerExtras

                DeducerExtras pkg is not loading

                1 vote
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                  0 comments  ·  Rstudio IDE  ·  Flag idea as inappropriate…  ·  Admin →
                • pkg rJava

                  rJava package is not installing

                  java libs : '-L/usr/lib/jvm/java-9-openjdk-amd64/lib/server -ljvm'
                  checking whether Java run-time works... yes
                  checking whether -Xrs is supported... yes
                  checking whether JNI programs can be compiled... configure: error: Cannot compile a simple JNI program. See config.log for details.

                  Make sure you have Java Development Kit installed and correctly registered in R.
                  If in doubt, re-run "R CMD javareconf" as root.

                  ERROR: configuration failed for package ‘rJava’
                  * removing ‘/resources/common/R/Library/rJava’
                  Warning in install.packages :
                  installation of package ‘rJava’ had non-zero exit status

                  The downloaded source packages are in
                  ‘/tmp/RtmpPx6qSg/downloaded_packages’
                  > library(rJava)
                  Error in library(rJava) : there is no…

                  1 vote
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                    0 comments  ·  Rstudio IDE  ·  Flag idea as inappropriate…  ·  Admin →
                  • availability of other video format asides HD

                    there should be an option for selecting our prefferred video quality of the videos in the module.
                    The only option that exists right now is HD, and for some course participants like me, watching in HD format may incur heavy data fees.

                    1 vote
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                      0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
                    • Small typo

                      There is a small typo in this notebook: "#### Let's fixes these problems." instead of "#### Let's fix these problems."

                      1 vote
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                        0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
                      • Improve lab

                        The lab doesn't actually show the plot in Machine learning, Module2
                        Lab1.
                        I tried adding plt.show(), still nothing.

                        1 vote
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                          0 comments  ·  Jupyter - Python  ·  Flag idea as inappropriate…  ·  Admin →
                        • Spark and Scala

                          I would like to have Scala on the Spark Framework To work with. .

                          1 vote
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                            0 comments  ·  Spark  ·  Flag idea as inappropriate…  ·  Admin →
                          • Julia Integrated

                            Add Julia Language beside Python.

                            1 vote
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                              0 comments  ·  Jupyter Notebooks  ·  Flag idea as inappropriate…  ·  Admin →
                            • There's a slight mistake in a lin of code

                              Hi!
                              Just to let you know that in one of the code blocks in "Functions in R" lab has a missing "_" in both my_data variables. Running the code returns an error. [check the big conditional function about movie watch if good rating)
                              On the other hand, it's a good debugging exercise.
                              Kind regards,

                              1 vote
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                                0 comments  ·  Jupyter - R  ·  Flag idea as inappropriate…  ·  Admin →
                              • topic wise videos..

                                the thing is that the courses are good but you should group them acc to a particular topic... for example if need to study hadoop .. make all topics come under it in a particular manner so that we can study from easy to hard level.

                                3 votes
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                                  0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
                                • The tutorials are not clear for a novice

                                  It seems that your tutorials mostly miss the mark (at least for me). I was really interested in SeaHorse, I was able to run the first regression tutorial, saw the gears spin, but don't see any results. All I can do is download the workflow. There are various modules in the workflow, but no description of what they do or why they are there. There are lots of other modules in the toolbox, but no real indication of how to use them. Under regression, there are lots of variations, again with no description. Going to the Documentation link it threw…

                                  15 votes
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                                    0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
                                  • 502 server

                                    The server returned an invalid or incomplete response or we also wait a long time

                                    31 votes
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                                      0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Adding 7z compression/decompression tools

                                      Data needed to be uploaded/download may be huge. 7z format is widely used and one of the best existing formats fo far.
                                      Adding support for this compression format would be great

                                      4 votes
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                                        0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
                                      • 2 votes
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                                          0 comments  ·  Spark  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Cheat Sheet Tool

                                          Hello. I guess that would be nice to have a Cheat Sheet Tool embedded in the Data Scientist Workbench. One example of an online tool that I use is https://www.cheatography.com. There are many Cheat Sheet available, but it's always good to be able to create your own Cheat Sheet with things you believe is relevant for your study/research.

                                          42 votes
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                                            0 comments  ·  General  ·  Flag idea as inappropriate…  ·  Admin →
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