Please how can I justify my regression results?

I conducted a study to investigate stock market reaction to equity issues announcement and i ended up with 64 announcements and i then used the announcement day returns as my DV and investigated...

14 January 2021 1,127 3 View

How to correctly indicate a zinc finger in a protein for molecular dynamics?

I am preparing a protein that has a Zn finger for molecular dynamics. To indicate the finger of Zn a patch is placed in which the deprotonation of the cysteines is necessary so that the Zn ion can...

05 March 2020 1,425 3 View

No title

28 February 2020 1,633 2 View

How do I calculate solar absorbance and thermal emittance of absorber coating from reflectance spectrum using standard AM 1.5 and blackbody radiation?

I have a reflectance data of my solar absorber coating from UV-Vis, I want to calculate the solar absorbance of my coating using standard reference spectrum AM 1.5 and thermal emittance of thesame...

15 November 2019 225 3 View

How can Iimprove the resolution on a GC?

When I run a O2 and N2 standard in the gas chromatograph, the peaks are overlapped, How can I improve the resolution of the chromatogram. This situation is new, last monththe calibrationwent just...

22 August 2019 4,050 6 View

On a EVO LS10 SEM, I can see images on spot 0 of the aperture, however on spot 1 and 2, I cant see any images. what could be responsible for this?

I an using the EVO LS10 SEM from Zeiss, I can see images on spot 0 of the aperture, however when the aperture is switched to spot 1 or 2, I am unable to see any image. Please what could be...

05 February 2019 3,902 1 View

Where to get yeast W303-K6001 strain?

15 September 2018 3,735 2 View

My solvent-casted PVDF film was opaque and somehow shrunk during vacuum drying. What should I do?

I'm trying to make smooth PVDF film using solvent casting dried under vacuum from 20 mL of 15% PVDF in DMF solution. The vacuum dryer temperature was at 55 deg C. After some time, this is what I...

29 January 2018 803 4 View

How can I get rid of the polysaccharides on orchids tubers to isolate DNA?

I try to isolate DNA from orchids tubers, the problem is they become kind of gelatinous because the polysaccharides.... so I want to get rid of them. Thank you!

18 September 2017 9,815 3 View

Shuold the "Reads" be included or taken into consideration for calculating the researcher's score in RG?

Any RG's member

02 March 2017 6,338 8 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 View

How can I make unsupervised clustering of trees species using algorithms like HAC, Kmeans... in R?

I am working on the development of multi-species volume allometric equation from diameter (DBH). I would like to form groups of species with the largest possible volume-diameter correlations by...

19 January 2021 5,752 5 View

Can anyone please tell me, what will be the Crop Coefficient value for shortleaf pine and oak tree in HEC-HMS model simulation?

my study area located in the forest region having Shortleaf Pine and Oaktree, thus in the Canopy Method I am trying to get the Crop Coefficient value of these trees but did not get anything.

18 January 2021 9,789 1 View

What is the classification of tree species by texture analysis technique on drone images?

Hi My goal is to distinguish forest tree species (in dense forests) with drone images. I did not get acceptable results using spectral features. Because the pictures were taken in the fall and the...

07 January 2021 7,494 3 View