Hi, Take a look at this for the estimation of relevant metrics: https://www.frontiersin.org/articles/10.3389/feart.2020.00066/full
Ciao Paolo Il ven 4 set 2020, 04:17 Igor Talijančić <[email protected]> ha scritto: > Greetings! > > I am interested in the measurement of local variation in the head shape of > gilthead seabream populations, particularly on the aspect of statistical > properties of parts within configurations. I found that Lory software, > created by Márquez et al. (2012)*, provides the tools I am seeking for, > however I have difficulties when trying to replicate the steps in the > manual. I hope that someone that has the experience with it can share some > light on the matter that are puzzeling me: > > On the example data with *Drosophila* species authors have computed > sample mean wing shape deformations for the two Drosophila species (Fig. 4). > > o How did they do that? Did they computed the group means in other > programs or R packages and then imported them in Lory or there is a way to > get them in Lory because I haven’t found an option to do that. One of the > ways, as I see it, is to compute the mean shapes in geomorph and them > import those means shapes in Lory to visualise those means shapes. > > After one iteration of the Delaunay algorithm, without any selection of > evaluation nodes, Lory found 74 nodes for evaluation. Based on that map of > interspecific differences in local wing shape (Fig.5), on the extracted > Jacobian determinants (74) ANOVA with Bonferroni correction for multiple > comparison was performed which resulted with significant (stars) and > non-significant (crosses) differences. > > o How did they computed that one shape with displayed interspecific > differences? > > o Did they extracted Jacobians determinants from Lory and then performed > ANOVA in some other program? > > o How did they know which node was significant or not? I suppose that > you have to extract the coordinates that reflect their position on the map > of interspecific differences or did I get it wrong? > > How did they computed the mean representation of intraspecific variance > in Drosophila species? In Lory or in other program? > > Figures 7. and 8. represent interspecific correlations and interspecific > differences and intraspecific variances. I suppose that these figures were > computed in Coriandis software** on Jacobian determinants? I tried to > import the data in Coriandis to explore if I could compute and get those > figures but I am having problems with assigning group info and names to the > imported non landmark data such as Jacobian determinants – no way I could > manage to do that even when I tried to follow the footsteps in the manual > that authors provided. > > > > Thank you for your time and consideration. > > > > Sincerely, > > Igor > > > > * Márquez, EJ., Cabeen, R., Woods, RP., Houle, D. 2012. The Measurement of > Local Variation in Shape. Evol Biol, 39: 419 – 439. > > ** Márquez, EJ. & Knowles LL. 2007. Correlated evolution of multivariate > traits: detecting codivergence across multiple dimensions. J. Evol. Biol., > 20: 2334 - 2348. > > -- > You received this message because you are subscribed to the Google Groups > "Morphmet" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/morphmet2/a9417e63-0960-4ed1-9eb0-30313547e5b4n%40googlegroups.com > <https://groups.google.com/d/msgid/morphmet2/a9417e63-0960-4ed1-9eb0-30313547e5b4n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Morphmet" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/morphmet2/CAAdPgfN83eRgYvzOxeuJ7xFcWCH7%2BXgpdZq57QtTMsp%2B2fb8UQ%40mail.gmail.com.
