how to calculate distance from middle in a dataframe how is df$dist-fr_middle calculated how can i find the distance a wagon is loaded at a mine what is the difference between normalizing and detrending what is r df$dist_fr_middle what is detrending how to use distance from middle adjusted tonnes distance from middle adjusted tonnes distance from middle adjusted tonnes how is the % of tones in a railway loaded? distance from middle adjusted tonnes which term is used when accounting for biases in the data? what is the term for normalizing the data? what is the term for normalizing a model of a data set how to account for bias of an equation how do you calculate detrended tonnes which statement describes a measure of the normal deviation of a load in tonnes? what is the term dpt mean? why do tonnes go down as distance from middle positions go up what is the term to normalise a load