Above and below the trend line are defined by $y_ref.

Points above the trend line are:

$y_ref > $intercept + ($x_ref * $slope)

Points below the trend line are:

$y_ref < $intercept + ($x_ref * $slope)

In reply to Re: Cluster points above and below trendline with use Statistics::LineFit; by moklevat
in thread Cluster points above and below trendline with use Statistics::LineFit; by Win

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