In a field trial established as RCBD, rep is a block effect and gen is a random effect of genotype. The genotypic blups of each genetic line is derived as
proc mixed data= sampledat method=reml;
class rep gen
model yield = rep;
random gen/solution
run;
quit;
The random statement return the genotypic value of each gen.How do I obtain the mean variance of a diiference of two genotypic blups?
You can use an ESTIMATE statement in PROC MIXED to compare two genotypes:
estimate 'gen1-gen2' | gen 1 -1;
The predicted difference and the standard error will be produced.
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ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.