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Questions related from Yiyu Meng
Dear all, Here is a very fundamental question: what do genomic DNA (e.g. extracted from plant, animal, microbes, and environmental samples) exist in a solution after extraction and purification?...
05 May 2018 3,443 0 View
I was reading the basics about statistics and get stuck on the problem as stated in the link...
04 April 2017 1,746 2 View
suppose the running of jmodeltest2 come up the best model for my nucleotide alignment is as follow: Best model = 010231+I+G+F f(a) = 0.24 f(c) = 0.41 f(g) = 0.26 f(t) =...
06 June 2016 1,760 0 View
Hello, suppose I have constructed a phylogenetic tree with all OTU sequences and reference sequences. I now want to have a tree containing only the OTU sequences. Is it a good practical to remove...
06 June 2016 3,726 5 View
when I ran the mothur cluster command, I got an error message shown as below. Is this common? If not, any suggestions to fix it? mothur >...
02 February 2016 4,467 2 View
I read some papers using network analysis to study the interaction between different groups of microbes in different soils. I have very little knowledge about this type of analysis. How good it...
10 October 2015 9,837 1 View
I found out that there is a handy option in the Kruskal-Wallis test, to do pairwise comparison between groups, in SPSS version 22. Anyone knows what statistics does it use?
05 May 2015 7,772 18 View
I have some continuous variables from my experiment with 6 different treatments, and I would like to ANOVA to compare the means. But the data are not normally distributed even after data...
05 May 2015 1,334 12 View
I am recently using a primer set to amplify some DNA 16S rRNA from soil. One primer has one base pair mismatch at the 3' end. I would like to know how will that one base mis-match at the 3' end...
06 June 2014 6,037 8 View