Re: [R] unexpected 'else' in " else" (Ebert,Timothy Aaron)

I wanted to follow up. A more careful reading of the following: "A vector of the same length and attributes (including dimensions and "class") as test..." So the above **refers only to a "class" attribute that appears among the attributes of test and result**. Using my previous example, note

Re: [R] unexpected 'else' in " else" (Ebert,Timothy Aaron)

"...but 'same length and attributes (including dimensions and ‘"class"’) as ‘test’' looks wrong. The output seems to be `logical` or something related to the classes of `yes` & `no`." The documentation in fact says: "A vector of the same length and attributes (including dimensions and "class") as

Re: [R] unexpected 'else' in " else" (Ebert,Timothy Aaron)

There were several interesting points about `ifelse`. The usual behaviour seems to be that all three inputs are evaluated, and the entries of `yes` corresponding to `TRUE` in `test` are combined with the entries of `no` corresponding to `FALSE` in `test`. Moreover, `yes` & `no` seem to be