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