ds.exp | R Documentation |
Computes the exponential values for a specified numeric vector.
This function is similar to R function exp
.
ds.exp(x = NULL, newobj = NULL, datasources = NULL)
x |
a character string providing the name of a numerical vector. |
newobj |
a character string that provides the name for the output variable
that is stored on the data servers. Default |
datasources |
a list of |
Server function called: exp
.
ds.exp
returns a vector for each study of the exponential values for the numeric vector
specified in the argument x
. The created vectors are stored in 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()
# Log onto the remote Opal training servers
connections <- DSI::datashield.login(logins = logindata, assign = TRUE, symbol = "D")
# compute exponential function of the 'PM_BMI_CONTINUOUS' variable
ds.exp(x = "D$PM_BMI_CONTINUOUS",
newobj = "exp.PM_BMI_CONTINUOUS",
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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