Francisco O. Borges

6 Questions 6 Answers 0 Followers

Questions related from Francisco O. Borges

Meta-analysis: weird graphics effects?

Hello everyone! When calculating meta-analysis in R, using package metafor, and computing the -|lnRR| (that is, the negative of the absolute value of the natural logarithm of the response ratio)...

14 November 2022 9,743 1 View

In R software, how to restrict geographical area only to the coastline / intertidal zone?

Hello all! I'm trying to conduct an SDM analysis in R regarding a species which only occurs in the intertidal area. I need to be able to restrict my geographical range to a range of points in...

14 November 2020 512 9 View

SDM and intertidal species?

Hello all. I have a technical question regarding species distribution models on intertidal species. The main issue here is the fact although the species in question are associated with intertidal...

13 October 2020 2,298 2 View

What distance method to use in UPGMA analysis?

Hello all, I am conducting a Bray-curtis / UPGMA analysis in R, based in a binomial dataset (presence and absence of species in specific areas). I want to cluster the areas according to their...

05 January 2019 8,833 3 View

Weighted arithmetic means vs Geometric means?

Hello all! I'm having some difficulty addressing a database problem with data of Sizes (cm). I want to calculate the geometric mean of the values of the size of a number of species in a group...

25 October 2018 4,673 5 View

What taxa of Chitons have eyes?

Hello, I'm reaching out to see if anyone knows any species / genre / subfamily of chiton which has been described to have eyes (ocelli), besides the Schizochitonidae family, and the...

16 November 2016 3,456 3 View