what does the term ilr mean in a compositional data why do you need to find the difference between the mean and the mean on a compositional test when is it necessary to use compositional data why do we use a ilr transformation what is meant by composition data what data sets are used to test the location of an effect on a method what is meant by ilr in data analysis where can you find an effect when analysing data does ilr change mean or mean why do i need to test for mean in composition data where is the mean on compositional analysis what type of data is meant in compositional data what is isometric log ratio can you test for mean if you use isometric log ratio what is mean of compositional data how to determine if a sample has a mean and value how do i check for mean effect in compositional data how to find mean of a compositional data set can i use ilr in the same data how to find out if there is a location in the mean data