Table 1.
Average and maximum absolute differences for type 1 error rate and power between simulated* and theoretical results
| |
Model |
|||
|---|---|---|---|---|
| Regression | GRAMMAR | FASTA | QTDT | |
|
Type 1 error (%) |
|
|
|
|
| Average difference |
0.26 |
0.22 |
0.18 |
0.28 |
| Maximum difference |
1.09 |
0.70 |
0.50 |
0.74 |
|
Power (%) |
|
|
|
|
| Average difference |
0.37 |
0.58 |
0.90 |
1.12 |
| Maximum difference | 0.76 | 2.97 | 1.74 | 2.19 |
*see text: total population size = 600 with 120, 20 and 10 sires that respectively produced 5, 30 and 60 offspring, MAF of SNP 0.5, QTL effect 2% of phenotypic variance, assumed type 1 error rate 5%, heritability from 0 to 1 in steps of 0.1.