search for: bullshark

...g forward with this analysis.  With that said, I am a beginner with R and would grealty appreciate any help!  Essentially, the point of my work is to determine if sharks are more sensitive to repellents based on certain environmental parameters.  Therefore an incredibly simplified version of my bullsharkdata .txt file would look like this (Note:  (1) = low density/visibility and (2) = high density/visibility; and behavior = (1) or avoidance behavior) : Obs  Density   Visibility  Behavior   Data 1      1            1         1           0.9   2      2            1         1           0.1 3     ...