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R Gateway via RServe for InterSystems IRIS Data Platform. Author Shiao-Bin Soong: email, github profile.
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Load and Compile IRIS R package (i.e.
The following ObjectScript code illustrates the simple integration with Rserve:
Set c = ##class(R.RConnection).%New() // Create a R client Set x = ##class(R.REXPDouble).%New(3.0) // A single double value Do c.assign("x", x) // Assign the value to R variable x Do c.eval("y<-sqrt(x)") // Evaluate R script Set y = c.get("y") // Get the value of R variable y Write y.toJSON().%ToJSON()
It is advised to wrap all ObjectScript code in a try catch block. More test cases and usages can be found in class
Do ##class(R.Demo.Pima).LogReg(). This will use pima dataset to train and save a logistic regression model.
Do ##class(R.Demo.Pima).ScoreDataset(). This will score the pima dataset using the previously saved model and save the results to the table.