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02 March 2021 3,060 3 View

Which is the best approach for nucleotide substitution model-testing for phylogenetic reconstructions using RADseq data?

I am trying to infer both maximum likelihood and bayesian phylogenetic trees using RADseq reads. I have already created my sets of radtags using Ipyrad which also I used to export the consesus...

24 August 2020 7,823 8 View

Does anyone know of tested survey questions or value statements to evaluate consumer ethics for food and agriculture?

I'm looking for tested survey questions or value statement that address topics of food and agricultural ethics and consumer values for food purchasing... is anyone aware of an existing study that...

01 July 2020 301 2 View

Why its is important the connection between wavelets and filter banks?

If multirate filter banks have been used by engeeniers before wavelets theory, why it is important and useful to know that those filter banks correspond to wavelet functions?

11 May 2020 5,895 2 View

How to teach discrete wavelet theory for undergeaduate computer scientist?

I wondering if you know texts, guides or any didactical advice that can help is to teach discrete wavelet theory to undergeaduate computer scientist

11 May 2020 3,458 3 View

How research support in other areas, like agronomy, is being affected by coronavirus?

Dear colleges, Recently I receive a letter from an editor of a famous Agronomy journal in Mexico, he mentioned that due to the corona-virus situation, the support much needed to his open-access...

03 May 2020 4,240 3 View

How do I determine sample size for each strata in survey?

Hello, I'm currently trying to perform a supervised classification of land cover for remote sensing images. In order to do that, I must create a training imput where I classify a fraction of the...

01 May 2020 7,696 3 View

What is the best DNA extraction protocol to use for extremely oligotrophic soils?

We are trying to extract DNA from soil samples, these samples are collected from the Namib Desert, the site is about 20 Kilometers from the Atlantic Ocean. The soil has a high salt concentration...

26 October 2019 9,423 3 View

Is there a good replacement kit for he Ribo-Zero Gold rRNA Removal Kit (Epidemiology)?

Since Illumina announced that they will stop selling the Ribo-Zero Epidemiology kit, I have been looking for a good replacement kit. It will be a problem for people planning to use this kit,...

16 October 2018 432 5 View

Can you participate in an online survey for a research study about visual stimuli and learning process in Design?

I'm currently doing research on the process of analysis of visual sources of inspiration. As part of the collection of information I'm conducting a survey aimed at people with a background in...

29 September 2017 7,705 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

How to Interpret Partial Eta Squared Numbers For a Repeated Measures Anova?

I have obtained Partial Eta Squared Numbers through Two-Way Mixed Anova Analysis. My results for different constructs are: .105, .135, .038, .068, .061 respectively. I wanted to know, whether...

24 February 2021 7,122 1 View

Can we proceed to perform Two-way Mixed-ANOVA despite normality violations?

While testing assumptions, Shapiro-Wilk Test failed. However, I proceeded with the analysis and the interaction effect was significant. During our course- lectures, it was mentioned that Anova...

24 February 2021 228 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

Three-way robust ANOVA in R?

I am trying to conduct a three-way robust ANOVA in R using the WRS2 package as: t3way(Stem ~ Species*Temperature*Salinity, data = tutto) and there is an error saying : Error in if...

22 February 2021 1,674 8 View