请问大家: stata中tokenize函数怎么用啊 ? 它的解释看不太懂啊???? tokenize divides string into tokens, storing the result in `1', `2', ... (the positional local macros). Tokens are determined based on the parsing characters pchars, which
default to a space if not specified.
Examples
. tokenize some words
. di "1=|`1'|, 2=|`2'|, 3=|`3'|"
另外
program myprog
version 11
syntax [varlist] [if] [in]
marksample touse
tokenize `varlist'
local first `1'
macro shift
local rest `*'
中,这段话又是什么意思啊?求解答啊


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