Using the Empty Array ⍬ as a Sentinel for Missing Data in Dyalog APL
Learn how to embed the empty array ⍬ in a matrix to flag missing values, replace them safely, and avoid common pitfalls in Dyalog APL.
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Learn how to embed the empty array ⍬ in a matrix to flag missing values, replace them safely, and avoid common pitfalls in Dyalog APL.
dyalog