clinical.import: Import multiple files exported from SAS
In chuangaocornell/gtx2: Genetics ToolboX

Description Usage Arguments Details Author(s) Examples

Provides a convenience function to build a list of data frames, where each data frame is generated by reading a .txt file assumed to have been generated by SAS proc export.

clinical.import(d, pattern = "^[a-zA-Z][a-zA-Z1-9]*\\.txt",
                usubjid = getOption("gtx.usubjid", "USUBJID"),
                verbose = TRUE, convert.YN = TRUE, 
                only)

`d`	Path to directory containing files exported from SAS
`pattern`	Regular expression for files to be imported
`usubjid`	Name of variable used for unique subject identifier
`verbose`	Whether to print progress messages
`convert.YN`	Whether to convert columns of Y and N to logical type
`only`	Character vector

Read the code or see the examples.

The variables named usubjid is imported as class character, all other character variables are imported as factors.

Toby Johnson Toby.x.Johnson@gsk.com

## Not run: 
clindata <- clinical.import("path/to/clinical/export/")
data(derivations.standard)
gxvars <- clinical.derive(clindata, derivations.standard)
summary(gxvars)

## End(Not run)