If you look at the code from the interactive window, you will notice that the error occurred with trying to run rxSummary. In both cases I didn’t get the error when I changed the compute context to SQL Server from local, but when I tried to run a function which runs on the server. In both cases the R tools where installed prior to installing SQL Server 2016. The Open Source R tools install to C:\Program Files\R\R-3.3.0 (your version number may be higher). The Microsoft R Open installs to C:\Program Files\Microsoft\MRO\R-3.2.5. To use the libraries needed for the RevoScaleR libraries included in R Server, the version of Microsoft R required is Microsoft RRE, which is installed here C:\Program Files\Microsoft\MRO-for-RRE\8.0. Unfortunately, SQL Server 2016 shipped with version 8.0.3 not 8.0.0. If you are getting data and using a local compute context, you will have no problems. However, when you want to change your compute context to run on SQL Server, you will get an error.
While I received a different error on the server than my laptop, the reason for both messages was the same. Neither computer was running version 126.96.36.199 of the R client tools. On the server I was able to fix the error without downloading a thing. After installing a stand-alone version of R Server from the SQL Server Installation Center, the error went away and I got results when trying to run rxSummary. Unfortunately, it was not possible for me to run R Server on my laptop, as R Server is disabled from within the Installation Center. I believe that is because I have SQL Server 2016 developer edition on a laptop, not on a server. I needed to do something else to make it work.
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