Get a variable of a table

opal.variable(opal, datasource, table, variable)

Arguments

opal

Opal object.

datasource

Name of the datasource.

table

Name of the table in the datasource.

variable

Name of the variable in the table.

Examples

if (FALSE) {
o <- opal.login('administrator','password', url='https://opal-demo.obiba.org')
opal.variable(o, 'CNSIM', 'CNSIM1', 'GENDER')
opal.logout(o)
}