Sib-pair Command: set model

Class	Global
Name	set model
Arguments	[allelic | genotypic]

Select allelic or genotypic encoding for the first marker locus in a regression model. Default is allelic encoding.

Example:

>> set model

NOTE:  Regression model for (first) codominant marker is allelic.

>> reg ad = apoe 

------------------------------------------------
Binomial regression analysis of trait "ad"
------------------------------------------------

    Variable             Beta    Stand Error        t-Value
  ---------------------------------------------------------
  Intercept           -3.0627         0.4492         6.8181 ***
  apoe*3               0.8707         0.2318         3.7568 ***
  apoe*4               1.9290         0.2449         7.8762 ***

No. usable observations =   1447      (100.0%)
Number of affecteds     =    417


>> set model genotypic

NOTE:  Regression model for (first) codominant marker is genotypic.

>> reg ad = apoe 

------------------------------------------------
Binomial regression analysis of trait "ad"
------------------------------------------------

    Variable             Beta    Stand Error        t-Value
  ---------------------------------------------------------
  Intercept           -1.9459         1.0690         1.8202 +  
  apoe*2/3            -0.3094         1.1081         0.2792 .  
  apoe*2/4             0.6748         1.0726         0.6292 .  
  apoe*3/3             0.7295         1.1423         0.6386 .  
  apoe*3/4             1.5621         1.0736         1.4550 +  
  apoe*4/4             3.2268         1.1082         2.9119 *  

No. usable observations =   1447      (100.0%)
Number of affecteds     =    417

See also:

regress <tra> on <loc1>.[to]..<locN>