How to select the number of nearest neighbors in relief algorithm for feature selection?

For feature selection of a binary class dataset, relief algorithm chooses an observation randomly and then selects nearest neighbors of that observation from both classes. Selecting number of...

09 February 2021 4,991 2 View

What is the use of vaccination without follow-up tests for assessing the corresponding antibodies ?

Shouldn't every individual who takes COVID-19 vaccination undergo periodic review to the study the state of corresponding antibodies? Individuals who do not produce any symptoms of COVID-19 after...

23 January 2021 6,170 2 View

Why Ripple filter tuned at half of the switching frequency?

Dear Sir/Madam, Why ripple filter tuned at half of the switching frequency? what are the reasons? Kindly answer this question.

23 September 2020 6,204 1 View

How can I add alloying element to a material in Ansys Maxwell?

Hello, I am trying to perform an electromagnetic simulation in Ansys Maxwell. In my case, I have a rectangular plate made up of Aluminium and I want to add small MnB (Manganese Boron) particles...

01 May 2020 4,637 1 View

Can someone please help identify this species?

Hi, Can someone please ID this species? Location: Manipur, Northeast India.

26 April 2020 8,226 4 View

Is there a link between lightening strike frequency and amount of CO2 present in the atmosphere or not? Has it been addressed in research before?

If in a certain desert area the lightening strike rate becomes high after the establishment of of coal power plants, what kind of correlations can be drawn? What links have been established...

28 November 2019 5,626 2 View

Any one can Suggest UGC CARE Journals in EDUCATION subject?

I need UGC CARE journal list for Education subject. Our university accepting research papers only those listed journals.

07 November 2019 7,989 5 View

I would like to do quantum mechanical calculations when two molecules interact with each other?

In my case I have CCl4 and Propan-2-ol molecules. In the first case I want to calculate the geometric parameters like bond angles, bond lengths and energy-volume curves when two CCl4 molecules...

27 November 2018 2,710 4 View

Can we identify/interpret Out-Of-Sequence Thrusts (OOST) from lineament map from satellite image?

What are the criteria to identify Out-Of-Sequence Thrusts (OOST) from Lineament map (satellite image)?

16 May 2018 9,587 1 View

How do I know which method of parameter estimation to choose?

There are different parameter estimation Techniques like MLE, Methods of moments, etc. but how do we know which method is more appropriate to estimate a parameter in a given model? My data falls...

29 November 2017 3,032 3 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

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

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

Missing Data in Pretest and Post test- Experimental Research design?

Hello all, I am analyzing some pretest and post-test data that were given to evaluate knowledge of targeted vocabulary before and after the intervention. Pretest and post-test are identical and...

23 February 2021 9,400 7 View