R: 'DataSHIELD' Implementation for 'Opal'

# 'DataSHIELD' Implementation for 'Opal'

## Documentation for package ‘DSOpal’ version 1.5.0

- DESCRIPTION file
- Package README

## Help Pages

dsAggregate-method | Aggregate data
dsAssignExpr-method | Assign the result of an expression
dsAssignResource-method | Assign a resource
dsAssignTable-method | Assign a table
dsConnect-method | Connect to a Opal server
dsDisconnect-method | Disconnect from a Opal server
dsFetch-method | Fetch the result
dsGetInfo-method | Get result info
dsHasResource-method | Verify Opal resource
dsHasSession-method | Check remote R session exists
dsHasTable-method | Verify Opal table
dsIsAsync-method | Opal asynchronous support
dsIsCompleted-method | Get whether the operation is completed
dsIsReady-method | Get whether the remote R session is up and running
dsKeepAlive-method | Keep connection with a Opal server alive
dsListMethods-method | List methods
dsListPackages-method | List packages
dsListProfiles-method | List profiles
dsListResources-method | List Opal resources
dsListSymbols-method | List R symbols
dsListTables-method | List Opal tables
dsListWorkspaces-method | List workspaces
dsRestoreWorkspace-method | Restore workspace
dsRmSymbol-method | Remove a R symbol
dsRmWorkspace-method | Remove a workspace
dsSaveWorkspace-method | Save workspace
dsSession-method | Create a remote R session
dsStateMessage-method | Get the remote R session state message
logindata.opal.demo | DataSHIELD login data file
Opal | Create a Opal driver