Description Usage Arguments Value
Aggregates the expression result using the specified aggregation method in the current Datashield session.
1 2 3 4 5 6 7 8 9 | 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)
|
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). |
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.
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