In order to pinpoint missing functionality, the R core team uses these functions for missing R functions and not yet used arguments of existing R functions (which are typically there for compatibility purposes). You are very welcome to contribute your code …
.NotYetImplemented()
.NotYetUsed(arg, error = TRUE)| Parameter | Description |
|---|---|
arg |
an argument of a function that is not yet used. |
error |
a logical. If TRUE, an error is signalled; if FALSE; only a warning is given. |
# NOT RUN {
require(graphics)
barplot(1:5, inside = TRUE) # 'inside' is not yet used
# }