How is correlation different from covariance ?

I need to implement a feature selection method for my dataset and I am asked to use feature selection based on covariance. Therefore I want to understand whether the feature correlation method...

28 May 2019 2,547 8 View

What is the significance of performance metrics used for evaluating the machine learning models?

Most of the study have used confusion metrics and performance measures like accuracy, recall, precision and f-score for presenting the results and comparing the machine learning methods. What is...

24 February 2019 5,329 3 View

Why we used inverse Fourier transform to get back the image?

why we need to bring back the image from frequency domain to spatial domain. please advice and share some related materials.

05 August 2018 1,934 4 View

Can counterstaining override DAB in Ki67?

To test for proliferative cells, I stained my tissue with Ki67- primary overnight and secondary 30min. This was followed by ABC 30min and DAB (1mL buffer + 1drop chromogen) for 30min. I...

27 July 2018 469 2 View

How to construct CNN Model for given description?

Hello Researchers, can anyone tell me how to generate CNN model for any data (expect image, because hat i have gone through till now, it has been done on the image data only), what should be in...

16 April 2018 4,005 3 View

How does adding buffer in path fixes the set up violation?

13 March 2015 1,438 3 View

Can someone suggest a protocol for HPLC with aqueous plant extract?

I would like to mention that i am using terminelia arjuna aq. extract and want to do HPLC using arjunolic acid as standard.

03 February 2015 3,615 3 View

How can I dock a protein with its cofactor using CLC Drug Discovery workbench so that I can find all the interactions individually in binding sites?

How can I dock a protein with its cofactor using CLC Drug Discovery workbench so that I can find all the interactions individually in binding sites?

26 December 2014 5,204 2 View

How do I Installing some packages in python?

Hello to all researchers, I'm facing a problem to install "scipy" package of python. I tried to install it with the cmd "pip install scipy" but it shows me an error as "failed building wheel for...

01 January 1970 7,007 5 View

Will a paper count as publication if it has appeared in a conference with no published proceedings?

My paper has been accepted to a conference, which does not have any proceedings. Will it be okay if I submit it to another conference (any ACL conference) which has conference proceedings? The...

01 January 1970 4,284 4 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