ExtractCovariates: Extract covariates and save cohorts
In jianxiaoyang/RareDiseases:

Description Usage Arguments Details Examples

Extract covariates and save cohorts

1	ExtractCovariates(connectionDetails, cdmDatabaseSchema, studyFolder)

`connectionDetails`	An object of type `connectionDetails` as created using the `createConnectionDetails` function in the DatabaseConnector package.
`cdmDatabaseSchema`	Schema name where your patient-level data in OMOP CDM format resides. Note that for SQL Server, this should include both the database and schema name, for example 'cdm_data.dbo'.
`studyFolder`	Name of local folder to place results; make sure to use forward slashes(/)
`cdmVersion`	cdmVersion 4/5
`disease`	Name of disease want to analyze
`cohortId`	cohortId of interest disease generated by Atlas

This function creates files specifying the analyses that will be performed.

##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (x)
{
  }