In cross-validation, which is the AUC population parameter I really want to estimate?

06 February 2017 4,359 6 View

Which Bootstrap for Confidence Interval of AUC with Leave-Pair-Out-Cross-Validation?

I have to calculate the CI of the AUC (Roc) for a series of classifiers (e.g. Lasso, Random Forest, SVM) learned using the same test dataset, in order to identify the best model for this problem...

20 December 2016 6,272 3 View

What are Arrhenius arguments "on the influence of Carbonic Acid in the air upon the temperature of the Ground"?

02 December 2015 2,907 24 View

How can I calculate a multi-centric ICC (intra-class correlation) variation before and after an agreement training?

Hi and thank you to everybody. I have data regarding a training that aimed to improve the agreement among raters. Raters gave a dichotomous judgment (presence/absence).The study is multi-centric:...

29 June 2015 5,851 3 View

If I pre-stain antibodies with Coomassie Brilliant Blue, would they work? Or will I end up covering the recognition portion and lose specificity?

I had this idea to use the stained antibodies in a lateral flow assay, Coomassie should make it easier to recognize the bands, better than gold or latex nanoparticles. Has anyone tried this before?

22 June 2015 3,805 3 View

No title

I have to compare the mean levels of a continuos variable y (ranging 1-20) subdividing my sample in two groups according to a dichotomous variables (i.e gender). Sample sizes of the two groups are...

08 April 2015 9,395 4 View

What do you think is the most correct procedure for Socio-demographic covariates in regression models and neuropsychological tests?

18 September 2014 4,849 3 View

Intra-class correlation: any test to statistically compare its increase?

I have to compare two ICC calculated by the same three judges on the same sample of subjects (presence/absence of a certain physical dysfunction) after and before a training to improve the judges'...

12 February 2014 3,673 6 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

How can I publish a manuscript in free or low cost journal with good H-Index?

Dear all I am going to publish my manuscript which is from my thesis in a good H-Index journal but I found them very expensive(I don't have financial support) based on the exchange currency of my...

28 February 2021 7,800 6 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

Fractional impervious surface (FIS) map ?

Need Help Does anyone Know how to make a Fractional impervious surface (FIS) map from NDVI map, in ArcGIS environment? Thanks in advance

24 February 2021 8,455 2 View

What is the most important parameter of a research work, the impact factor or the h index?

The impact factor is a measure of the importance of a journal based on the number of citations received in a year. ... Articles published in a journal with a high impact factor do not all receive...

24 February 2021 7,481 2 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

How to calculate refractive index (n and kvalue) against energy (in eV) data for alloyed nanomaterials through Independent Phase Approximation method?

Suggest me the method or some other software to calculate the above said data for nanoparticles.

21 February 2021 3,350 7 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

How to realize refractive index values of 1 to 1.1?

Hello researchers! While studying the literature on refractive index sensors, most of the articles simulate their devices with a refractive index ranging from 1 to 1.1, with small steps in...

17 February 2021 1,578 4 View