10 Questions 23 Answers 0 Followers
Questions related from Martin Stoffel
For my project, I want to analyse the bacterial community composition of anal swabs from seals. Thus, I'm searching a reliable service provider for both the library preparation as well as 16s...
11 November 2017 6,492 2 View
My raw data is simple: One column of SNP IDs followed by two columns for each locus where 1 is allel A and 2 is allel B. A homozogote would thus have 1 1 or 2 2 in the two first columns and a...
02 February 2015 9,634 14 View
I did a principal axis factor analysis with promax (oblique) rotation in R. Now I want to compute the explained variance for all factors of my 4-factor solution. I can extract the eigenvalues but...
11 November 2014 7,961 10 View
Precisely, I want to find out which of the 4 variables can predict membership to the 41 groups (each consisting of just 2 observations).
09 September 2014 8,203 8 View
I am a real beginner in bioinformatics and need some hints. My data are mtDNA sequences in the AB1 format. My aim is to compute the Fst to get some insights in the population differentiation...
08 August 2014 6,688 5 View
I am currently doing an analysis where I have to do multiple Mantel tests. Concerning the problem of multiple Testing I am thinking of "rolling out" the matrices to vectors and then just do a GLM....
07 July 2014 1,693 3 View
Especially concerning communication, kin recognition, mate choice?
07 July 2014 558 4 View
I´ve got a data set with 82 observations and 220 variables. What I want to do is basically a PCA but with varimax and maybe even oblique rotation of the resulting factors as I want to look for an...
07 July 2014 4,963 13 View
I'm working on seal olfaction and did a PCA on a matrix of 220 scent compounds from 82 individuals. Is there a good way to figure out how many PCs may be relevant? I already did a scree plot and...
06 June 2014 8,022 14 View
The chromatograms are saved as Xcalibur files and i want to align them (e.g. via R). They actually have a large variance in peak number / concentration and i need an algorithm to make them...
02 February 2014 3,177 17 View