Fig. 3
From: Radar quantifies migrant concentration and Dawn reorientation at a Great Lakes shoreline
Slope test for the radar comparison. Each point represents the target passage rate (TPR) from Robin (x-axis) and Batman (y-axis) for each paired hour. Radar units were located in close proximity at two sites along the shoreline of Lake Michigan for the comparison. The line is a regression estimate of the relationship between passage rates recorded by the two units, and the shaded region is a bootstrapped 95% confidence interval for the regression line estimate