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st: 回复: st: Re: str


From   lydia huang <lydiahsh@yahoo.com.cn>
To   statalist@hsphsun2.harvard.edu
Subject   st: 回复: st: Re: str
Date   Sat, 6 Mar 2010 14:57:55 +0800 (CST)

thank you very much!

--- 10年3月6日,周六, Joseph Coveney <jcoveney@bigplanet.com> 写道:

> 发件人: Joseph Coveney <jcoveney@bigplanet.com>
> 主题: st: Re: str
> 收件人: statalist@hsphsun2.harvard.edu
> 日期: 2010年3月6日,周六,下午2:54
> Lydia Huang wrote:
> 
> what does it mean by " var1 was str28 now str30" ?
> why the "str" changed?
> can i continue appending other data?
> 
> --------------------------------------------------------------------------------
> 
> It means that the length of the string variable in the
> dataset in memory was 28 bytes, and that in the dataset you
> are appending is 30 bytes.  Stata automatically
> lengthened the string length of the variable in memory from
> 28 to 30 bytes in order to prevent loss of data.
> 
> Yes.  You can continue appending other data:  the
> message is an information message, not an error
> message.  
> 
> Joseph Coveney
> 
> 
> 
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