Table 4 Parameter estimates from the power function by least squares method on the relationship of duration and bias (estimated species richness of eBird vs. average estimated species richness of BBS).

From: Comparing avian species richness estimates from structured and semi-structured citizen science data

Parameter

Estimate

Standard error

t value

p value

c

0.3301

0.0326

10.118

 < 0.001

d

0.1402

0.0312

4.485

 < 0.001

  1. The power function is depicted in Eq. (8) with parameters (g and h) to be estimated. Residual standard error 0.3954 on 562 degrees of freedom. Significant parameters are shown in bold.