add_sequence_manual: Add to visit sequence using a manual method
Description
Add to visit sequence using a manual method
Usage
add_sequence_manual(roadmap, ...)
Value
An updated roadmap object.
Arguments
roadmap
A roadmap object.
...
<tidy-select> One or more unquoted expressions separated by
commas. Variable names can be used as if they were positions in the data
frame, so expressions like x:y can be used to select a range of variables.