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Questions related to Statistical Analysis
I want to run a One-way ANOVA on 17 samples. I conducted a Levene's test to assess equality of variances, which was significant. However, when I inspect the variances myself they appear rather...
10 February 2022 4,080 4 View
Hello everyone What is the best economic indicator that reflects the spillover technology variable? I have read many studies and found that most of them use many indicators, for example, these...
01 February 2022 7,408 4 View
Optimal power flow, load uncertainty
01 February 2022 2,263 3 View
I am having difficulty understanding random stratified sampling when there are nested categories within them. Take for instance a size of 1000, and you are interested in sampling gender and...
25 January 2022 2,575 4 View
We would like to study cytokine secretion profiles (e.g. IL-2, TNFg) of T cells under different treatments. Which method (ideally cheap) would you recommend? We have tested the Human Inflammatory...
21 January 2022 1,494 1 View
I want to co-culture pancreatic cancer cells(PCCs) and mesenchymal stromal cells (MSCs) in a transwell system. I would like to mimick in vivo conditions as much as possible. Therefore, I was...
21 January 2022 2,936 0 View
Is it possible to do with Rcmid function? I think I have real trouble linking Arelquin via the Rcmd button.Can anyone help how to make this graph. I used R package ver 3.01. Maybe someone has...
21 January 2022 8,045 1 View
The phi-index is calculated as follows: phi-index = (P - R)/te where, P = depth of total precipitation, R = depth of rainfall excess and te = duration of rainfall excess. If the phi-index is...
17 January 2022 4,355 5 View
Should we convert our data from mg/L into meq/L to calculate the Saturation index for water samples? I am using Phreeqc software.
13 January 2022 2,361 13 View
I have two values (mean MMSE scores recorded at pre-test and post-test for individuals in an intervention group) with differing standard deviations. I have calculated the absolute mean difference...
13 January 2022 9,547 2 View
How to prepare 5% w/v DMSO solution?
13 January 2022 6,271 5 View
I am using Paperpile (v 0.7.2) in Word and some of my references are missing italics in their title (e.g. genes and species names). I am adding them manually using tags but the Auto-Update...
09 January 2022 1,777 0 View
Like the title says - where do I put exogenous variables in a panel ARDL model - in the long-run or short-run equation? I want to control for world war one, which means either impulse dummies for...
05 January 2022 466 1 View
The use of environmental tracers that are relevant for groundwater and surface water interactions constitutes a powerful tool for understanding the source, flow and mixing dynamics of water...
04 January 2022 1,194 3 View
I am following the way how a previous paper (PMID: 30948552) treating their spatial transcriptomic (ST) data. It seems like they combined all expression matrix (not mentioned whether normalized or...
03 January 2022 741 3 View
I am trying to do an in vitro pull down assay.
23 December 2021 4,368 3 View
Dear All, In this topic, I'd like to highlight a problem in mediating analysis when there are several independent variables; the problem emerges from different researchers' points of view. Some...
19 December 2021 8,131 1 View
Hey, just a quick question: how would you report a median in a text with Quartiles, especially if you have to give multiple. My idea was writing "median age 5 (Q13-Q219)" [...] "median size was...
03 December 2021 3,592 3 View
Hi everyone, Im using Human Phospho-Kinase Array Kit (R&D) in order to analyse relative protein kinase expression in human lekocyte lysates. However, after first couple of analysed samples I...
02 December 2021 5,334 1 View
Hello to everyone! For the experts of the DNA fiber technique, I am having issues with my fibers. As you can see in the picture, the fibers are all together as a mass and they have not separated...
01 December 2021 6,640 0 View
Hello, Our lab has been dissociating solid colon/small intestinal tumors from mice. We use a fairly standard dissociation protocol that has been looked at by 10X. After we get the single cell...
01 December 2021 4,719 2 View
Specifically while executing structural modelling in R programming, nobody mentions about Indicator reliability test, composite reliability test , convergent validity test, Discriminant validity...
01 December 2021 2,902 2 View
I am looking at a monoculture diatom biofilm growth on five different materials measured at 6 different time points. So my variables are: dependent variable is "cells per mm^2"; independent...
21 November 2021 3,557 6 View
Dear all I would find a safer route to synthetize rhodizonic acid from Inositol, than oxidizing it with nitric acid to avoid nitrogen dioxide.
21 November 2021 4,469 1 View