ds.assign | R Documentation |
This function assigns a datashield object to a name, hence creating a new object.
ds.assign(toAssign = NULL, newobj = NULL, datasources = NULL)
toAssign |
a character string providing the object to assign. |
newobj |
a character string that provides the name for the output object
that is stored on the data servers. Default |
datasources |
a list of |
The new object is stored on the server-side.
ds.assign
causes a remote assignment by using DSI::datashield.assign
.
The toAssign
argument is checked at the server and
assigned the variable called newobj
on the server-side.
ds.assign
returns the R object assigned to a name
that is written to the server-side.
DataSHIELD Development Team
## Not run:
## Version 6, for version 5 see the Wiki
# connecting to the Opal servers
require('DSI')
require('DSOpal')
require('dsBaseClient')
builder <- DSI::newDSLoginBuilder()
builder$append(server = "study1",
url = "http://192.168.56.100:8080/",
user = "administrator", password = "datashield_test&",
table = "CNSIM.CNSIM1", driver = "OpalDriver")
builder$append(server = "study2",
url = "http://192.168.56.100:8080/",
user = "administrator", password = "datashield_test&",
table = "CNSIM.CNSIM2", driver = "OpalDriver")
builder$append(server = "study3",
url = "http://192.168.56.100:8080/",
user = "administrator", password = "datashield_test&",
table = "CNSIM.CNSIM3", driver = "OpalDriver")
logindata <- builder$build()
connections <- DSI::datashield.login(logins = logindata, assign = TRUE, symbol = "D")
# Assign a variable to a name
ds.assign(toAssign = "D$LAB_TSC",
newobj = "labtsc",
datasources = connections[1]) #only the first Opal server is used ("study1")
# Clear the Datashield R sessions and logout
datashield.logout(connections)
## End(Not run)
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