see above
Hi, I want to include the global Fis index in my divBasic calculation from the package diveRsity. To do so I set the bootstrap = 100. However, I have this error in return: Error in x[, 1] :...
05 June 2024 6,670 0 View
I'm planning an experimental design to investigate the gene expression of mussels under thermal stress conditions, to compare their responses. The experiment includes a control tank and a...
11 September 2023 5,157 1 View
I am interested in the interactional aspects of Twitter, that is how people reply to one another. I have tried Netlytic, but it doesn't scrape the whole conversation but only the tweet that is a...
13 November 2022 7,243 6 View
Amberlite CG 400 is not available anymore. What can I use instead to exchange iodide for chloride in long-chain ammonium salt?
11 September 2022 7,609 0 View
I want to find the correlation coefficients between two signals and to plot the deference in values using matlab. I have two eeg.edf datasets with 20 electrodes each, of healthy and depressed...
26 May 2022 4,662 2 View
I am using Nafion to cover my electrodes used to make biofuel cells, in order to block chloride ions from reaching the electrode. Unfortunately, at a physiological concentration of chlorides,...
17 March 2022 7,824 0 View
I am trying to electrochemically deposit gold on carbon fibres. The gold sticks for a bit on the fibres, but then it delaminates, apart from the ends (I guess it's because the current density is...
02 September 2021 2,393 8 View
Dear everybody, I conducted a series of ANOVAs (and MANCOVAs) to verify the presence of differences between two groups for a series of variables. A reviwer commented that " the relationship they...
02 November 2020 5,123 6 View
Hello, I have a question about common method biases. I have collected data using an online survey for latent constructs each measured on several items. However, I have also manifest variables...
09 May 2020 9,670 0 View
I am modeling the flow of visitors during a working day in a museum. The main problem is that I don't know how to model in Arena Rockwell the fact that all entities must clear the queue at the end...
20 February 2020 9,688 1 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Are there any suggestions or insights you can provide to help address this problem
06 August 2024 1,443 2 View
I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...
06 August 2024 1,367 3 View
Are there any statistical methods to justify your sampling technique using SPSS or AMOS?
05 August 2024 9,153 4 View
Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance
04 August 2024 9,492 0 View
Better ways to analyze the qualitative and quantitative data in a sequential explanatory mixed method approaches
04 August 2024 2,703 6 View