quis.getVariableSchema: Gets the schema of a variable.

In javadch/rquis: R Interface to the QUIS Language for Unified Data Processing

Description

quis.getVariableSchema Gets the schema of a variable, as a data frame.

Usage

quis.getVariableSchema(engine, variableName, extended = FALSE)

Arguments

engine	the engine instance created by quis.getEngine
variableName	the variable name.
extended	determine whether simple or semantically enhanced schema should be returned.

Value

A data frame that contains name, type, constaints, and semantic annotation of the attributes of the target variable's schema.

Examples

engine1 <- quis.getEngine()
quis.loadProcess(engine1, system.file("extdata", "ex2.xqt", package="RQUIS"))
quis.runProcess(engine1)
scm <- quis.getVariableSchema(engine1, "meanDailyTemp")

## Not run: 
engine1 <- quis.getEngine()
quis.loadProcess(engine1, system.file("extdata", "ex2.xqt", package="RQUIS"))
quis.runProcess(engine1)
scm <- quis.getVariableSchema(engine1, "meanDailyTemp")

## End(Not run)

javadch/rquis documentation built on May 18, 2019, 5:56 p.m.