search for: pipits

...,1.075757576,1.210526316,1,1.1875,1.903614458,1.385542169,1.788990826,1.163793103,1.558558559,1.595238095,1.758333333,1.858267717,2.169117647,1.403225806,2.859375,3.236220472,2.054263566,3.854166667,1.812080537,2.708029197,2.75862069,2.625954198,4.540740741,3.686567164,2.8,2.968253968,3.517730496) Pipits is the response variable (it is the number of birds counted at each survey site in each year) and year is the independent variable. If you plot it in R (plot(year,piproute,pch=19)), you'll see that the relationship looks like a quintic polynomial. Initially I was trying to fit this curve using...