Sib-pair Command: set tdt


ClassGlobal
Nameset tdt
Arguments bot[h parents]|one [parent]|first

Limits TDT statistic to cases where either both parents or at least one parent is typed, or one proband per family where both parents typed.

Example:

>> include linclex.in
>> keep lincl D13S160
>> tdt lincl

------------------------------------------------
TDT for trait "lincl" v. all markers
------------------------------------------------

Marker     Typed  NParam Chi-square Asy P  Emp P  Iters
---------- ------ ------ ---------- ------ ------ ------
D13S160        14      6       24.0 0.0000 0.0000      0 TDT-Best  ***
D13S160        14      7       26.0 0.0005 0.0005   2001 TDT-All   **
D13S160        14      5       38.6 0.0000 0.0000      0 TDT-Ewens ***
D13S160        14      1       31.0 0.0000 0.0050    201 TDT-Gtp   ***

>> set tdt first

NOTE:  Only one index case per pedigree used --  both parents must be typed.

>> tdt lincl

------------------------------------------------
TDT for trait "lincl" v. all markers
------------------------------------------------

Marker     Typed  NParam Chi-square Asy P  Emp P  Iters
---------- ------ ------ ---------- ------ ------ ------
D13S160        10      6       16.0 0.0002 0.0002      0 TDT-Best  **
D13S160        10      7       18.0 0.0120 0.0015   2001 TDT-All   *
D13S160        10      5       25.6 0.0001 0.0001      0 TDT-Ewens **
D13S160        10      1       20.6 0.0000 0.0050    201 TDT-Gtp   ***


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