Human beings exist day-to-day in a world preoccupied by statistical measures, ranging from numerous personal health metrics, to standard weights & measures, to determinants of economic well-being, to statistical definitions of every area of our lives. Modern society could not exist without measuring nearly every conceivable thing. Yet, many traders make no attempt to convert their trading performance into meaningful metrics. This is unfortunate because meaningful metrics are not simply interesting statistics — rather they can serve important functions.
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