Stata has several built-in limits in the engine. They mostly support the efficient memory allocation and overall make the commands run faster. For the majority of applications the limits are large enough so that the user will not even notice them (the detailed list of limits can be found here). This is, however, these one-in-a-million applications which may make Stata routines quite cumbersome. The limit which I discovered recently was about the maximum macro length (or the maximum command length, difficult to judge). Even in Stata MP, the maximum number of characters in a macro can be up to 4,227,143 in Stata 14. In Stata 15 it is nearly 4 times more but as it did not fix the problem, I suspect that it is related to the command length rather than macro length. I had to use the SQL query to select the records with certain identifiers. The average size of the identifier was...
October 2019
January 2019
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Marcin Wolski, PhD
Climate Economist
European Investment Bank
E-mail: M.Wolski (at) eib.org
Phone: +352 43 79 88708
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