Are there any other convergence conditions for stopping Markov Clustering Algorithm?

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Can a 35-year-old researcher (from Iran) with 4 ISI articles (IF 2, 2, 1, and 0.3) and IELTS score 6.5 find a job as an Assistant Professor?

Hello every one, Can a 35-year-old researcher (from Iran) with 4 ISI articles (IF 2, 2, 1, and 0.3) and IELTS score 6.5 find a job as a postdocs fellow or an Assistant Professor? The field of...

01 October 2020 6,043 3 View

Lower bound of the second smallest eigenvalue of weighted Laplacian matrices?

Hi All, I am looking for a method that provides a lower bound for the second smallest eigenvalue (the Fiedler eigenvalue) of a weighted Laplacian of an undirected and connected graph. I have seen...

10 May 2020 6,220 6 View

Weird and inconsistent result of sheared chromatin on Bioanalyzer (Chip-Seq)?

Hi, I have done sonication on my formaldehyde-fixed samples, using covaris kit. Then I took a bit of sheared chromatin to test the shearing efficiency. To reverse the cross-link I add RNAseA-...

16 January 2020 2,814 2 View

In Normality Test we shoud use items or variables (that are created by using compute command from items)?

20 December 2019 1,059 7 View

Why is nessesary to standardize to a mean zero and unit variance in my work?

My thesis is about relationship between voluntary disclosure and firm value. to measure voluntary disclosure, I use a weighted index that takes into account importance or usefulness of disclosure...

09 June 2019 221 1 View

Fluid mechanics in a solid channel?

I have a fluid mechanics questions. Suppose that we a submillimeter needle that is already inserted in the soft tissue. water can run through this needle if the pump is on. suppose we turn the...

18 April 2019 2,741 3 View

What does negative shear modulus mean in Ogden fit to data?

I am fitting Ogden model to my stress-stretch ratio data (obtained from compression test). The fit looks good but the predicted shear modulus from ogden fit is negative. Does it have any meaning?...

10 March 2019 7,921 6 View

How to download phishing/legitimate websites from PhishTank?

Dear all, I am wondering how to download phishing/legitimate websites from PhishTank or OpenPhish. I need some samples for both phishing and legitimate websites, but where we can download...

16 January 2019 5,440 1 View

What is a medication for treating Alzheimer's disease in humans? What is it used to be injected into a rat?

Alzheimer's disease

09 March 2018 10,013 4 View

UV-Vis test in transmission mode to detect the compatibility or miscibility of two polymers in a blend ?

How can I use the UV-Vis test in transmission mode to detect the compatibility or miscibility of two polymers in a blend and distribution of nanoparticles in the polymer blend? I did UV-Vis test...

30 October 2017 4,817 3 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

Books on Monte Carlo methods?

Hi everyone. I took a basic course on Markov Chains, and know a little about Monte Carlo Stimulations and Methods. But I never got to the part of spreadsheets. If anyone can help direct me to a...

13 February 2021 5,261 3 View

How to choose the Hidden Layers Number and RBM Size in a DBN network?

Hello, When using a Deep Belief network (DBN) for images classification, how could we choose the number of hidden layers (number of Restricted Boltzmann Machines) and nodes (RBM size) in a hidden...

09 February 2021 4,618 5 View

Is there any similarity index between two time series?

Hi We have two time series dataset. For example mean daily temperature from two stations. Each of them have 30 data for a month. T1={ t1 , t2 ,... , t30 } T2={ t1 , t2 ,... , t30 } Now we want to...

06 February 2021 6,434 7 View

Matrix based scientific data analysis: extrapolating to matrices of sets?

Data sets, when structured, can be put in vector form (v(1)...v(n)), adding time dependency it's v(i, t) for i=1...n and t=1...T. Then we have a matrix of terms v(i, j)... Matrices are important,...

30 January 2021 9,295 6 View

When is the right time to stop training a classification algorithm?

In this example giving 400 samples looks like there is an accuracy of 91.5% while training beyond that point, accuracy is getting decreased. Are 400 samples enough to keep for this example? If...

27 January 2021 5,657 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

In which case meta-heuristics algorithms cannot minimize the network error?

Hello, I am working on hybrid neural network. I have combined ANN with two different evolutionnary algorithms to build a prediction model of 6 inputs and one output with one hidden layer of 7...

18 January 2021 7,144 3 View

Is It useful to use text Pre-processing techniques (Stop Words Removal, Stemming) in the sentiment analysis classification?

Hello, I read some papers they used Pre-processing steps with text that will classify based on Sentiment Analysis. My question is, can I use text Pre-processing techniques in the sentiment...

11 January 2021 5,932 7 View