Support Vector Machine (linear kernel) and Random Forest has comparable accuracy, any reason?

Hi, I'm working on image classification using very-high-resolution image. As titled, the classification accuracy of SVM linear kernel is similar to RF. The classification used four image...

16 August 2020 1,758 11 View

How to conduct analysis for experiment data with a mediation model and time series data?

Hi everyone! I am struggling with experiment data analysis as I am not from psychology background. My key research questions are 1. The impact of leader possible self (LPS) (X1) on...

05 July 2020 6,348 3 View

Antibiotics in surgical mouse experiment?

I am trying to make protocol for Volumetric Muscle Loss experiment. I intend to remove 20% of tibialis anterior, but after surgery, I do not know what kind of antibiotic, dossage and duration I...

28 June 2020 5,873 7 View

What exact steps in signals processing do you use to condition a surface EMG to determine classification characteristics?

Sorry but it may seem like an obvious question because I am new to EMG analysis but I have been reading many papers on how various research groups clean, filter, segment, and classify muscle...

16 April 2020 4,134 1 View

Could someone help me understand FT-IR spectrum to check parallel or antiparallel beta-sheet?

I used a FT-IR machine (Nicolet 6700) to determine whether the beta-sheet we were making are parallel or anti-parallel. I am new to FT-IR so I hope someone could help me understand the spectrum I...

09 March 2019 1,215 2 View

How to use Shuffled Complex Evolution Algorithm in finding optimized parameter?

Hi everyone, Can anyone guide me how to use SCE-UA to get the optimized value of parameters, especially parameters from rainfall runoff model. I found one SCE-UA script written in matlab...

30 November 2018 1,808 2 View

What is the standard way of preparing homolog sequences for a phylogenetic analysis?

I have two protein sequences with around 50% identity between them. I want to study the phylogenetic relationship between them. I came up with a method myself: Step 1: blast each of the sequences...

11 November 2018 3,501 2 View

Any models for family decision-making?

When a patient is diagnosed with cancer, some families will decide not to let the patient know. Is there a model to explain why they do not tell the truth to patient?

16 September 2018 526 5 View

What are the principles of controlling bioinformatics procedures and balancing between screening efficiency and the risk of losing a real candidate?

I am trying to identify the point of insertion in the genome that may have caused the size difference in fruits between wild-type and mutant of a plant species (also mentioned here :...

13 October 2017 2,057 1 View

Is there a representative bias, why and why not?

24 September 2017 7,533 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Is it possible, for a limited dateset of images, to use Convolution filters + Random Forest instead of UNet?

UNet is 'relatively' recent and was invented mainly to deal with biomedical images, yet is it also possible, for a limited dateset of images, to use Convolution filters + Random Forest instead of...

21 February 2021 4,858 3 View

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

The Akaike information criterion of the random forest model ?

Please, how to calculate the number of model parameters of the random forest model to determine the Akaike Information Criterion (AIC) using this following expression: AIC = n * log(MSE) + 2 *...

27 January 2021 816 6 View

What is the correct way to apply a Design effect for sample size calculation when the sampling method is linear systematic random sampling?

When we are doing sampling by means of simple systematic random sampling,how do we calculate the design effect for use during calculation of sample size for our work?

20 January 2021 5,328 3 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

How to calculate random forest manually?

17 January 2021 301 2 View

No title

13 January 2021 2,487 1 View

Why do I have good performances for the test set but bad performances in predicting new data ?

Hello :) I'am trying to predict churn for the year of 2020 based on historical data from 2014 to 2019 on R Studio. The aim is to predict churn probability for every person. At the beginning...

13 January 2021 5,565 7 View

In a random graph, the number of paths that cannot be extended in an hamiltonian path, can be roughly be separated in two equal parts ?

In a random graph, the number of paths that cannot be further extended in an hamiltonian path or an hamiltonian cycle, can be roughly be separated in two equal parts? I have an idea for solve for...

07 January 2021 9,782 2 View