Can I consider the OOB score of RF model as the same as R^2 score?

In a topology optimization machine learning prediction algorithm, can I consider the OOB score of RF as the same as R^2 score. Could that be a more unbiased way of validating the model

14 February 2021 3,540 1 View

Weird J-V curve of solar cell?

Recently I am getting low performance (PCE and FF) and weird J-V curves on Pb-Sn-based perovskite solar cells. I have been trying to solve this for a couple of weeks now. I will like any...

19 December 2020 9,336 4 View

Why does water have high boiling point compare to ethanol?

Water is a molecule that has a very high boiling point compared to ethanol. Why does water have such a high boiling point compared to a molecule like ethanol, and what are the...

23 November 2020 9,662 8 View

Lattice Parameter of XRD data?

I have two XRD data (before and after treatment). I observed peaks shift to lower diffraction which tells me that the crystal lattice expansion occurs. How can I calculate the lattice parameter...

09 November 2020 3,550 5 View

Can RG Members Comment on whether Infertility in Men is associated with Tight Pants versus Loose Pants?

Male Infertility is a major public health concern worldwide and there had been heated debates to date on the above question; in other words is Boxers vs. Briefs related to Increasing Sperm Count...

21 September 2020 2,398 12 View

Bandgap Calculation from UV-Vis spectra data?

Bandgap Calculation from UV-Vis spectra data I have UV-Vis spectra of perovskite thin-film on glass substrate and need to calculate the bandgap. Can someone give me info on how to go about this?

30 June 2020 9,504 8 View

How do i find the normal mode frequencies & zero frequency of atoms connected to 3 vertices of an isosceles triangle by harmonica springs of equal F?

I came across this question while studying Tuckerman book on Statistical Mechanics for Molecular Dynamics.

03 February 2019 2,067 3 View

Does anyone know the best method of examining nucleic acids for the presence of known sequence variants apart from using RFLP?

RFLP seems to have some disadvantages.

18 August 2013 9,085 6 View

Bandgap Calculation from UV-Vis spectra data

Bandgap Calculation from UV-Vis spectra data I have UV-Vis spectra of perovskite thin-film on glass substrate and need to calculate the bandgap. Can someone give me info on how to go about this?

01 January 1970 9,247 3 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 View

Analysis of CRD two factor using R studio ?

Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...

28 February 2021 8,189 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

Where i will get the Desmodium and Napier grass seeds?

26 February 2021 975 4 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View