Fabio Andrade Machado

6 Questions 28 Answers 0 Followers

Questions related from Fabio Andrade Machado

How to best compare multivariate datasets?

I'm trying to find the best way to compare two representations of the same sample, but I'm struggling to pick which one would be more appropriate. Specifically I'm looking for statistics that will...

08 August 2016 4,235 9 View

How to correct for multiple comparisons when estimating P-values from simulations?

I am using a MonteCarlo approach to study the correlation between traits. Basically I am generating multiple datasets and calculating null distributions for each pairwise correlation and then...

29 June 2016 2,785 4 View

What are the theoretical implications of using raw, non-standardized data instead of log-transformed variables in morphometric studies?

As of late, I've been increasingly worried with the fact that many works dealing with multivariate allometry analysis do not log-transform their data. As far as I'm concerned, if data is not...

13 July 2013 854 8 View

Does any one knows were to find an english translation for the following article?

Die Abhängigkeit des Hirngewichtes von dem Körpergewicht und den geistigen Fähigkeiten Authors: Otto Snell

10 June 2013 9,106 3 View

How to compare different multivariate models?

I'm currently trying to compare two different taxonomic arrangements of a species using geometric morphometrics. I have two competing hypothesis of sub-species arrangements and both produce...

20 February 2013 295 8 View

How to generate positive-definite covariance matrices?

Is there a fool-proof methodology to generate random, positive-definite covariance matrices for simulation studies?

08 November 2012 8,848 7 View