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Improving missing values operation explanation in boolean algebra section #1669

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Improving missing values operation explanation in boolean algebra section #1669

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Improving missing values operation explanation in boolean algebra sec…
davidrsch Jun 17, 2024
741c71e
Fixing typos
davidrsch Jun 17, 2024
52fd4db
Adding missing for
davidrsch Jun 17, 2024
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3 changes: 2 additions & 1 deletion logicals.qmd
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Expand Up @@ -246,7 +246,8 @@ A missing value in a logical vector means that the value could either be `TRUE`
`TRUE | TRUE` and `FALSE | TRUE` are both `TRUE` because at least one of them is `TRUE`.
`NA | TRUE` must also be `TRUE` because `NA` can either be `TRUE` or `FALSE`.
However, `NA | FALSE` is `NA` because we don't know if `NA` is `TRUE` or `FALSE`.
Similar reasoning applies with `NA & FALSE`.
Similar reasoning applies for `&` considering that both conditions must be fulfilled.
Therefore `NA & TRUE` is `NA` because `NA` can either be `TRUE` or `FALSE` and `NA & FALSE` is `FALSE` because at least one of the conditions is `FALSE`.

### Order of operations {#sec-order-operations-boolean}

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