What is the Julia equivalent of R's na.omit()?

An a’b operation to get the dot product of two vectors returns missing' if either (or both) vector has missing’ elements. There doesn’t seem to be a simple way to join a and b, do the equivalent of an na.omit() on the structure and then do the dot product operation on the remaining vectors. What am I `missing’?

Welcome to the forum @Susan.Thomas! The skipmissing function is generally what you want to use when summarizing or reducing over a vector with missing elements. In this case, you could do:

sum(skipmissing(a .* b))

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That worked. Thanks much. Will explore skipmissing() further.