[MORPHMET] Re: Morphometrics in Solanaceas

2018-10-25 Thread 'Yoland SAVRIAMA' via MORPHMET
Hi Christian,

I just released a step-by-step guide for geometric morphometrics of 
flowers. This could be of interest. 

SAVRIAMA, Y. (2018). A Step-by-Step Guide For Geometric Morphometrics Of 
Floral Symmetry. *Frontiers in Plant Science*, *9*, 1433.

https://doi.org/10.3389/fpls.2018.01433

Best wishes,

Yoland


On Thursday, October 25, 2018 at 6:21:09 PM UTC+3, Christian Borja Tacuri 
wrote:
>
> Hi everyone.
>
> I'm here looking for some help. I've been assigned to create a small 
> project where I have to compare morphometric characteristics among the 
> flowers of 10 species of Solanaceas in my country, Ecuador. So, I'd like 
> some help because I need to locate the landmarks and semilandmarks and I'm 
> not sure in which parts of the flower I should put the marks for the 
> comparison. Also, I need to look for differences between the flowers, based 
> on the abiotic factors of the places the plants live in. 
>
> I'll be so thankful for any guide that you can provide me. 
>

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[MORPHMET] Morphometrics in Solanaceas

2018-10-25 Thread Christian Borja Tacuri
Hi everyone.

I'm here looking for some help. I've been assigned to create a small 
project where I have to compare morphometric characteristics among the 
flowers of 10 species of Solanaceas in my country, Ecuador. So, I'd like 
some help because I need to locate the landmarks and semilandmarks and I'm 
not sure in which parts of the flower I should put the marks for the 
comparison. Also, I need to look for differences between the flowers, based 
on the abiotic factors of the places the plants live in. 

I'll be so thankful for any guide that you can provide me. 

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[MORPHMET] Procrustes ANOVA

2018-10-25 Thread Tarek Ismail
Dear All 

I preparing a geometric morphometric work on an isopod species in Egypt. In 
morphoJ, the Procrustes ANOVA results give 0 values with one of the 
parameters (i.e. sex). The article deals with shape changes in two populations. 
in the analysis, the population is the main effect (Extra 1), sex (Extra 2) and 
individuals is the random effect.  I get the SS and MS for sex 0. So, what 
is the problem? I need help in this point. the results are:

Classifiers used for the Procrustes ANOVA:
Extra main effect(s): 
-- Extra 1: Population
-- Extra 2: Sex
Individuals: Individuals
Error 1: Image

Centroid size:
Effect  SS  MS dfF  P (param.)
Extra 11795651.412017   359130.282403   5   7.46  <.0001
Extra 2  0.000.00   2   0.00  1.
Individual 9726394.53609948150.468000 2023709.53  <.0001
Error 1   2699.886705   12.980225 208   0.25  0.9812
Residual   105.123498   52.561749   2

Shape, Procrustes ANOVA:
Effect  SSMS   df F  P (param.)   
Pillai tr.   P (param.)
Extra 10.24092157  0.0005125991  470   5.94   <.00013.27  <.0001
Extra 20.  0.00  188   0.00   1.0.00  1.
Individual 1.63916376  0.863263  18988  25.13  <.0001   67.18 <.0001
Error 10.06715515  0.034347  19552  0.53   1.
Residual   0.00121531  0.064644   188


Thanks in advance

Tarek G. Ismail
t_gad_2...@sohag.edu.eg

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