Hi Bo, you don't want to do it this way. This says that you expect the females to have twice the thickness of males which is probably not what you want. Use a discrete variable here, not a continuous one

doug

On 11/18/12 9:53 AM, xiangbo_2010 wrote:
if the gender (1;2) can be as a continuous variable ,can reduce the trouble about the set of contrast,thanks!
 
 
Bo Xiang




At 2012-11-18 22:48:36,"Bruce Fischl" <fischl@nmr.mgh.harvard.edu> wrote:
>sorry, not sure I understand. Why would you want it to be continuous?
>On 
>Sun, 18 Nov 2012, xiangbo_2010 wrote:
>
>> Dear experts:
>>            I want to ask the question: the gender (1;2) can be as a
>> continuous variable? I hope that have experts to help me. Thanks!
>>  
>>  
>>  
>> Bo Xiang
>> 
>> 
>> 
>> 
>> 
>>
>
>
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