Not the question, but I have stopped using lowess, for two reasons. First, if I use lowess then I have to explain at some point what it is, which for most readerships is awkward as the Stata idea of lowess isn't equivalent to many others. The method has morphed and mutated in various ways over 40 or so years and through several hands. Second, lpoly is much more flexible (pun intended) in how it can be used and much easier to link to standard literature. (But it isn't faster.)
But the main point is that made by Clyde: often one can't tell how long it takes to climb the mountain before you've done it.
But the main point is that made by Clyde: often one can't tell how long it takes to climb the mountain before you've done it.
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