Is this time series random or nonrandom?

In binary classification of time series what is the accepted margin for measuring accuracy of classification or prediction that permit us to conclude that time series is not accidental, or vice...

09 October 2014 9,586 6 View

Is "uncertainty principle" fundamental limits are underling and can mesure behind "standard quantum limit."?

Recently the article "Tricking the Uncertainty Principle" speaks about the team in Caltech they try to do that. The original paper was "Mechanically Detecting and Avoiding the Quantum Fluctuations...

05 June 2014 9,187 4 View

If we have an input and select subset of that input, then train with that to increase prediction accuracy, what can we call it?

Is is called feature selection or input selection? Or anything else?

10 November 2013 3,387 7 View

What is C(H), that be the convex hull of the set of base classifiers in boosting algorithm?

I want to know the characteristics of sets of convex hull classifiers and what is different with H alone?

09 October 2013 4,217 4 View

What is neural network output?

We have discrete vector of time series and output that is between [a,b]. Is it probability of occurrence? How we can investigate output? How find what happened there?

09 October 2013 3,128 8 View

Are there any other methods than correlation for finding the dependency of two variables?

If I want to find the dependence and relationship between two random variables, which methods can I use?

09 October 2013 5,783 14 View

What is the relation between data dimension and time for svm convergence?

For linear and quadratic ones.

09 October 2013 8,671 4 View

We used two different methods for classification - how we can calculate the difference between these two methods?

09 October 2013 1,614 4 View

How do information and entropy propagate in hybrid (ensemble) machine learning?

Generally, with the help of hybrid system, does the signal to noise ratio increase or decrease?

09 October 2013 2,129 1 View

Are there any methods except sign function to give the Neural Networks output for binary classification?

My data is very close to random and with sign function I can not have good results. I think I've lost some information that find NN with sign function.

08 September 2013 9,398 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View