我有以下 LOOP 語法：
VECTOR tb= tb1 TO tb16 / X(16).
EXECUTE.
loop #i = 1 to 5.
if (tb(#i) > 0) X(#i) = tb(#i).
end loop.
exe.
SPSS 告訴我：
>Error # 4023 in column 5. Text: tb
>An expression contains a string of characters followed by a left parenthesis,
>indicating that the string of characters is a function or vector name, but the
>characters do not match any existing function or vector. Check the spelling.
>Execution of this command stops.
請幫忙。
uj5u.com熱心網友回復：
EXECUTE.向量定義后洗掉。這會tb從記憶體中洗掉向量。tb存盤在記憶體中，直到第一個EXECUTE.
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