Use model object in your package
rxUse(obj, overwrite = TRUE, compress = "bzip2", internal = FALSE)model to save.
By default, use_data() will not overwrite existing
files. If you really want to do so, set this to TRUE.
Choose the type of compression used by save().
Should be one of "gzip", "bzip2", or "xz".
If this is run internally. By default this is FALSE