How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

In panel data, How FGLS method eliminate heteroskedasticity?

Hi everyone Dear friends I have a panel data model with heteroskedasticity, I know one way for overcoming this problem is to use FGLS method. I've searched a lot, but i don't get how this method...

07 February 2021 2,990 5 View

How can simulate electroplastic effect using crystal plasticity?

Hi everyone, I hope you are all fine, As a part of my Ph.D. I'm trying to simulate eletroplastic effects on forming of titanium alloys. I'm trying to use crystal plasticity but I'm not sure if it...

20 January 2021 2,832 1 View

I need some experts to help me in analyzing the map and data of that map?

My name is Sajjad Ahmad khan email :- [email protected]

31 December 2020 6,158 2 View

Asking for help is about Twitter-Sentiment-Corpus-3 dataset?

I have an urgent need for the Twitter-Sentiment-Corpus-3 dataset. Please help me in this regard and anyone who has this dataset either sends it to my

29 December 2020 3,413 3 View

Asalam o alikum, Can anyone please help me in interpretation of XRD data?

Actually, I want to present the in table form (dcal , dexp, 2 thita, hkl) but don't know how to find these values from data.

28 December 2020 6,769 4 View

Why band gap energy of cobalt ferrites is increased with increased in zinc(dopinng element) concentration?

In most of cases band gap energy of cobalt ferrites is decreased with increase in Zinc concentration that is hold to brass model. But when energy band gape is increases with increased...

03 December 2020 2,439 3 View

What the weak diffraction spots indicate?

These diffraction patterns were obtained for TbCu7 type SmCo7 melt spun ribbons. XRD patterns shown that there is only one phase in these alloys. I do not understand what the weak diffraction...

17 November 2020 4,937 4 View

What is the phase reference for a plane wave excitation in CST?

Suppose, a plane wave is incident on a uniform linear array of dipole antennas. I would like to calculate the voltage induced at each port. I am interested in the phase difference of the voltage...

29 October 2020 4,143 3 View

LC - MS/MS data Analysis?

Do you know how to interpret the data from LC - MS/MS analysis? I have peaks with me and need to know how to identify unknown compounds.

05 October 2020 2,995 7 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View