which type of model is used to measure the wing length of a bird? where is the wing length of the wing measured what model is used to determine the location of a bird what is the difference between the mixed and random effects model when to use a mixed effects model when is the mixed effects data frame useful? which is the best example of a mixed effect model? what is the purpose of a mixed effect what is mixed effect in statistics which is best mixed model? how to measure wing length in mixed effect which county is wing length measured what is mixed effects data analysis what is the mixed effects for the wing length model? how to test wing length when to use mixed model how to measure wing length where is the wing length measured what is the difference between a random and a fixed effect on wing length how to find wing length in an aNOVA