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faq.parameter [2012/05/29 14:23]
shogo created
faq.parameter [2015/02/01 17:35]
yutaka
Line 4: Line 4:
   - Wrong positions or formats for observations and effects. Program may not stop and may get wrong results. Check outputs for the number of levels for each effect on the screen.   - Wrong positions or formats for observations and effects. Program may not stop and may get wrong results. Check outputs for the number of levels for each effect on the screen.
   - Missing or skipping one or more fixed lines in the parameter file. Program may stop. Check the missing line.   - Missing or skipping one or more fixed lines in the parameter file. Program may stop. Check the missing line.
 +  - No extra empty line until OPTION or the end of the parameter file.
   - Misspelling. Program may stop. Correct the wrong spelling.   - Misspelling. Program may stop. Correct the wrong spelling.
-  - Missing an empty last line. Program ​may not stop. Parameter, data, and pedigree files may need one more extra line at the end of the file. +  - Missing an empty last (end) line. Programs ​may not stop. Parameter, data, and pedigree files may need one more extra line at the end of the file. 
-  - (Co)variance matrix is not symmetric, not positive definite, not right sized, ... Program ​may not stop.+  - (Co)variance matrix is not symmetric, not positive definite, not right sized, ... Programs ​may not stop.
   - Scale down observations when using Gibbs sampling programs (e.g., 305-day milk yield 10000kg => 10000/1000 = 10). Program may not stop.   - Scale down observations when using Gibbs sampling programs (e.g., 305-day milk yield 10000kg => 10000/1000 = 10). Program may not stop.
   - A good result does not mean that your parameter file is correct. Always double-check!   - A good result does not mean that your parameter file is correct. Always double-check!
 +
 +====== covariance matrix for correlated effects in a multiple-trait model ======
 +Example 1: two-trait model & direct/​maternal effects (order of G is 4):
 +
 +|                 ​^Direct Trait1 ^Direct Trait2 ^Maternal Trait1 ^Maternal Trait 2 ^
 +^Direct Trait1 ​   |              |                |              |                 |
 +^Direct Trait2 ​   |              |                |              |                 |
 +^Maternal Trait1 ​ |              |                |              |                 |
 +^Maternal Trait 2 |              |                |              |                 |
 +
 +
 +Example 2: two-trait model & random regressions (RR) with 3 coefficients (order of G is 6):
 +
 +|           ^RR1 Trait1 ^RR1 Trait2 ^RR2 Trait1 ^RR2 Trait2 ^RR3 Trait1 ^RR3 Trait2 ^
 +^RR1 Trait1 |           ​| ​          ​| ​          ​| ​          ​| ​          ​| ​          |
 +^RR1 Trait2 |           ​| ​          ​| ​          ​| ​          ​| ​          ​| ​          |
 +^RR2 Trait1 |           ​| ​          ​| ​          ​| ​          ​| ​          ​| ​          |
 +^RR2 Trait2 |           ​| ​          ​| ​          ​| ​          ​| ​          ​| ​          |
 +^RR3 Trait1 |           ​| ​          ​| ​          ​| ​          ​| ​          ​| ​          |
 +^RR3 Trait2 |           ​| ​          ​| ​          ​| ​          ​| ​          ​| ​          |
faq.parameter.txt · Last modified: 2015/02/01 17:35 by yutaka