topic Keep R opened in SAS/IML Software and Matrix Computations

Keep R opened

GabACM — Tue, 10 Dec 2013 13:21:45 GMT

Hello everyone,

I'm trying to pass SAS datasets to R and leave the R window open once the data is transfered.

Indeed the typical use is:

proc iml;

call ExportDataSetToR("myData","data");

submit /R;

#### code

endsubmit;

The problem with this is that the R windows is neither opened nor closed. We just see the outcome of the R code within the SAS Results page.

I would be interested in interacting further with the data transfered to R within R directly.

Is there a way to keep the R window opened ?

Thank you in advance.

Re: Keep R opened

Rick_SAS — Tue, 10 Dec 2013 14:01:58 GMT

The SUBMIT / R statement enables you to submit R statements that you have already developed and debugged in an R session. It does not create an R session with a program console for you to interactively work on a program.

However, when you use the SAS/IML interface, R does not go away after the ENDSUBMIT statement, so a certain degree of interaction is possible. For example, see the first item/example on the list in this article: Twelve advantages to calling R from the SAS/IML language - The DO Loop

Other interactions are also possible. For example, run the following program and follow its directions:

proc iml;
run ExportDataSetToR("Sashelp.cars", "cars");

submit / R;
plot( cars$MPG_City, cars$MPG_Highway )
print ("Click on markers where MPG_City>40")
print ("Then right-click and select 'Stop'")
sel <- identify(cars$MPG_City, cars$MPG_Highway)
endsubmit;

/* retrieve obs numbers of selected obs and print in PROC IML */
run ImportMatrixFromR(selList, "sel");

use Sashelp.Cars;
read all var {Make Model};
close Sashelp.Cars;
print (Make[selList]||Model[selList])[L="The Selected Cars"];

http://blogs.sas.com/content/iml/2013/11/25/twelve-advantages-to-calling-r-from-the-sasiml-language/

Re: Keep R opened

GabACM — Thu, 12 Dec 2013 07:59:47 GMT

OK, thank you for your answer Rick Wicklin.