Interesting question for statisticians. Here's an extract (A and B represents two metrics):
Another option is to plot a scatter gram representing the two metrics computed on a large number of data sets. In your scatter-gram, each point represents a data set; the x coordinate represents the A metric, the y coordinate represents the B metric. Look at points that are outlier, outside the diagonal. For these outliers, have an expert assess whether A or B is better. For the other, non-outlier points, A and B agree.
Read full article at http://bit.ly/HvOQO4
You may leave the list at any time by sending the command
SIGNOFF allstat
to [log in to unmask], leaving the subject line blank.
|