Does someone know which statistical test I should use to compare these groups having a categorical dependent variable?

I have two groups (10 participants in one and 12 in the other), each one viewed 1 stimulus (web page that present 4 products to choose between). One of the web pages has an orange label under one...

31 March 2020 2,812 4 View

How can I get started with PIC code simulation?

I've already asked a question like that and followed your advice. I started studying: Plasma Physics via Computer Simulation (C K Birdsall and A B Langdon) but I really think that I need again...

21 October 2019 6,835 3 View

How to transfect murine primary bone marrow cells with retroviral vector?

Hello, I am planning to infect murine primary bone marrow cells with retroviral vectors. Does someone have experience or protocols to suggest? any kind of suggestion is really welcome! Thanks...

30 July 2019 932 3 View

How do I test my (stimuli material) independent variable against the dependent variable on SPSS?

Hi all, I am currently writing my dissertation and I am struggling to analyse my survey in SPSS. I hope you can help me. I have created one survey, with 3 different stimuli material....

02 March 2019 9,851 1 View

Where can I find references about real topological vector spaces such that all vector subspaces are closed?

My interest is in characterization of spaces described in the question. Clearly the interesting case is about infinite dimensional real vector spaces.

31 January 2019 1,498 8 View

How do I remove debris from a beads suspension?

I have a suspension of 40 um beads (2 mL at 400 beads/uL) and I noticed that there are a lot of debris in it. I need to remove them as much as possible to obtain a suspension with no or few...

23 October 2016 7,569 3 View

Does anyone know a protocol for DNA extraction from saliva, hair and blood from dog?

Hello everyone, we are looking for a protocol to build up for the extraction of DNA from saliva, hair and blood samples collected from dogs, since extraction kits are not suitable for canine...

29 September 2016 4,382 6 View

Adhesion problem with beas-2b?

Hi everyone, I have adhesion problems to flask when I thaw the Beas-2b cells, someone has any advice for me? someone would be willing to give me a aliquot? Thank you Tommaso

05 April 2016 2,990 2 View

Does anyone know an updated gene ID converter?

Good morning to everybody, I am working on gene expression with a pattern of about 20,000 genes from Bos taurus that are encoded with a RefSeq mRNA ID. In order to use a program for the impact of...

03 September 2015 267 9 View

How does the length of the shortest path *in T* from node h to node k (if any) grow with their 'numeric distance' (k - h)?

15 September 2014 9,745 3 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View

Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View