Github user actuaryzhang commented on the issue: https://github.com/apache/spark/pull/18025 @felixcheung - The links to `stddev_samp` etc are already removed in the latest commit. - About collecting all the example into one, I think that'll work for this particular one. But I'm not sure about this in general. These methods are still spread out in `.R` file. And if we decide to change the grouping of these functions later on, it will be very difficult if we don't have examples in those methods. - For a method that is defined for multiple classes but meaning are drastically different, I agree that it's best to document by class. One downside is a generic `?coalesce` can only go to one help page, e.g., the help for SparkDataFrame, not the other classed. However, we can add links to the `coalesce` methods for the other classes in the `SeeAlso` section.
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