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thank you. it's very convenient to import the data from WDR. in this link [1] not sure, if the second line needs to assign the output to the variable *data* data =ResourceData["Epidemic Data for Novel Coronavirus 2019-nCoV from \ ...
If you have rJava installed already, try this, for example, Needs["RLink`"] JLink`UninstallJava[] InstallR["RHomeLocation" -> "C:\\Data-Work\\Programs\\R-3.5.1\\App\\R-Portable", "NativeLibLocation" -> ...
I think the code above by Neil can be speeded up if you change Table to ParallelTable.
hi david, have you tried to change the installed JRE to use the version that you just installed? Preferences -> Java -> Installed JREs