| #### Simple integrity tests of the system datasets | |
| options(useFancyQuotes=FALSE) | |
| env <- as.environment("package:datasets") | |
| d <- ls(env) # don't want .names | |
| for(f in d) { | |
| cat("\n** structure of dataset ", f, "\n", sep="") | |
| str(get(f, envir=env, inherits=FALSE)) | |
| } |