[R] Differences between MTDFReml and kinship2

silvano silvano at uel.br
Wed Nov 5 14:15:28 CET 2014


I fitted a genetic model using kinship2 and I compared it with MTDFReml program output.

The residual variance of both are very close but the genetic variance are very differents.

The output are:

genetic variance = 1.24015
residual variance = 5.93424

R (Kinship2):
genetic variance = 0.767187
residual variance = 5.6712

Both of them use REML method. Could someone tell why the difference?

Thanks a lot,

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