Update short names in a yspec object
Arguments
- spec
a yspec object
- ...
`<column name> = <short name>` pairs
Details
If no update items are passed in, the original spec object will be returned.
An error will be issued if a column update is requested, but can't be found
in the spec.
Examples
sp <- ys_help$spec()
sp2 <- update_short(sp, ID = "subject", ALB = "serum albumin")