datashield.aggregate: Data aggregation

In datashield/opal: Opal R and Datashield utils

Description

Aggregates the expression result using the specified aggregation method in the current Datashield session.

Usage

datashield.aggregate(opal, expr, async = TRUE, wait = TRUE)

## S3 method for class 'opal'
datashield.aggregate(opal, expr, async = TRUE,
  wait = TRUE)

## S3 method for class 'list'
datashield.aggregate(opal, expr, async = TRUE,
  wait = TRUE)

Arguments

opal	Opal object or list of opal objects.
expr	Expression to evaluate.
async	R script is executed asynchronously within the session (default is TRUE).
wait	Wait for the R script asynchronously executed to complete (makes sense only with async=TRUE).

Value

The result of the aggregation or the R command ID if the async flag is TRUE and if the wait flag is FALSE and if Opal version is at least 2.1.

datashield/opal documentation built on May 14, 2019, 7:53 p.m.