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Questions related to Statistical Analysis
One method for microplastics analyses suggests cleaning glassware at 450 C, but we are unable to attain those temperatures. I have seen a variety of methods in different studies ranging from...
05 March 2022 2,944 5 View
Swamping and masking are caused by input data that is too large for the purposes of anomaly detection.
17 February 2022 6,179 1 View
I want a brief explanation for the new castle Ottawa scale for cohort studies. I cant understand the comparability part of this scale
15 February 2022 6,078 2 View
Hello everyone, As the title suggests, I am trying to figure out how to compute a reduced correlation matrix in R. I am running an Exploratory Factor Analysis using Maximum Likelihood as my...
11 February 2022 2,525 2 View
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 3,985 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 7,071 4 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 2,472 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 1,367 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 2,845 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 7,938 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 4,234 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 2,217 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 9,434 2 View
How to prepare 5% w/v DMSO solution?
13 January 2022 6,194 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 1,671 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 299 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 1,096 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 643 3 View
I am trying to do an in vitro pull down assay.
23 December 2021 4,275 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 8,039 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 3,502 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 5,263 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 6,548 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 4,619 2 View