Check max char length of data.frame vectors
Stata requires us to provide the maximum size of a charactervector as every row is stored in a bit region of this size.
maxchar(x)
x |
vector of data frame |
Ex: If the max chars size is four, _ is no character in this vector: 1. row: four 3. row: one_ 4. row: ____
If a character vector contains only missings or is empty, we will assign it a value of one, since Stata otherwise cannot handle what we write.
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