How do I correct for phylogenetic nonindependence between a binary/multistate categorical variable (independent) and a continuous depedent variable?

Dear community, I am rather new to phylogenetic comparative methods and seek your advice. I want to compare a continuous trait (dependent) between species belonging to either groupA and groupB...

22 September 2020 1,618 4 View

Can you fill a quick questionnaire?

Hi there, my name is Panagiotis Koilakos and I am studying computer science in AUEB, Greece. During an HCI(Human-Computer Interaction) course, we had to select a home device and try to beautify it...

02 January 2020 4,939 3 View

How can I remove false positives using the calculated bisulfite conversion rate in a WGBS experiment?

Dear community members, We have available WGBS data for a species. We used Bismark to map the reads to the reference genome. Unmethylated lambda phage DNA was spiked-in, to estimate the bisulfite...

18 July 2018 4,081 2 View

Is there a "stress test" for fish larvae which would reveal their stress resistance without implementing violent methods (i.e. lack of oxygen)?

I need to estimate the quality of fish larvae by estimating their stress resistance OR their resistance to the lack of oxygen. However due to ethical issues I need to use non-violent methods (i.e....

27 November 2017 1,824 3 View

Is there any questionnaire or survey conducted that have measured the satisfaction of companies from a Recruitment Process Outsourcing?

I'm trying to find a questionnaire that can measure the satisfaction rate of a company according the recruitment services that a Recruitment Agency provided.

18 November 2017 9,012 3 View

Hello I would like to ask you how we can add the different sulfur compounds in hysys for the crude distillation? Thank you!

Different forms of sulfur containing compounds.

04 July 2017 9,495 9 View

How can I know all the node coordinates where pressure is calculated as also the corresponding node ID using COMSOL?

Hi,I have the square 5x5 geometry of the attached Figure. I solve a pressure distribution problem where pressure changes its values along the x-axis. I would like to know all the node coordinates...

13 September 2016 6,935 6 View

Is it possible to minimize an array of values (not just a simple function), using the genetic algorithm optimtool of Matlab?

I am conducting simulations for Genetic Algorithm using optimtool('ga') of Matlab. I would like to minimize the difference of two arrays so that I can fix the valueof a parameter which is the...

09 May 2016 4,987 4 View

Safe concenctration of Guinidine hydrochloride in cell cultures?

Hello, I need to use guinidine hydrochloride to clear any aggregates of apoA-I in my solution and then treat cells with it. What is a safe final concentration of GndHCL in the cell cultures?

26 March 2016 3,983 4 View

How can I find the pressure over time for every point from where the flow front will pass using COMSOL?

03 March 2016 392 3 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View