package functions cannot be called without attaching the package

[rubenarslan]

Don't know if this would be too much work and don't really mind, but I think packages are supposed to work when called like this too.

synthpop::syn(iris)
#> Error in check.method.syn(setup, data, proper): The following functions were not found: syn.sample, syn.cart, syn.cart, syn.cart, syn.cart

[bnowok]

Checks on the availability of synthesis methods is conducted differently and the package can be used now without attaching it.