in reply to Cluster points above and below trendline with use Statistics::LineFit;
Points above the trend line are:
$y_ref > $intercept + ($x_ref * $slope)
Points below the trend line are:
$y_ref < $intercept + ($x_ref * $slope)
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Re^2: Cluster points above and below trendline with use Statistics::LineFit;
by Win (Novice) on Dec 05, 2007 at 17:37 UTC |