Hi there, I have some data in which my samples don't cluster together in PCA according to the gruop of origin, but in a cluster heatmap they do. How should I interpret these findings? Thanks for the help
When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...
27 February 2021 6,326 2 View
The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....
27 February 2021 4,450 2 View
20 February 2021 2,840 3 View
I am doing a meta-analysis and am looking for some guidance on which statistical test will help me do the following. I want to understand the effect size a treatment has on a population. There...
16 February 2021 8,033 3 View
02 February 2021 9,574 5 View
Recommendations in preparing ceramics for nanoindentation and in the process minimize introducing stresses from sample preparation i.e. polishing stage.
02 February 2021 6,211 3 View
Dear colleagues, I am working on an intervention study with 3 different groups of students. One group represents the intervention group and consists of a seminar with a practical phase and...
24 January 2021 8,051 4 View
I have performed some SEM imaging on a conductive mounted sample which I also had to au/pd coat (10 seconds - so relatively thin coat). I would like to remove the coating and perform...
07 January 2021 2,490 4 View
04 January 2021 6,908 7 View
I have samples that have been tested at high temperature (1160 and 1180 degrees) however, there are some phases formed that are not being picked up when using Raman. I am wondering if it would be...
03 January 2021 1,338 3 View
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
I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance
03 March 2021 3,568 1 View
Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...
03 March 2021 5,978 5 View
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
I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...
03 March 2021 8,920 3 View
dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...
03 March 2021 6,994 5 View
I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...
02 March 2021 4,362 1 View
I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.
02 March 2021 4,359 3 View
If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis
02 March 2021 7,670 3 View
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
02 March 2021 5,785 3 View