What determines the output spectra you get from an equipment? Is it the imaging light source mode or the sensor signal default of the equipment?

I'm just curious to know what determines the output spectra you get from an equipment. Is it the imaging light source mode or the sensor signal default of the equipment? Im thinking its the latter...

05 June 2016 6,871 3 View

During a SIMCA classification modelling, what do I do if my global PCA does not give clearly distinguishable classes?

I am doing a SIMCA classification modelling using the Unscrambler software. The usual approach is to run a global PCA first to ascertain existing classes are clearly distinguishable before...

09 October 2015 2,774 9 View

Difference between Type I and Type III SS decision tables in statistical analyses?

31 December 2014 4,301 17 View

What is the acceptable number of PLS components in PLSR analysis?

I am running a PLS analysis on an imbalanced data and seems to be getting good results with number of PLS components 'n' = 30 and 40. I have up to 335 sample sets. Are these number of PLS...

05 June 2014 980 2 View

Does the choice of gamma value has any serious effect on model performance in SVM classification?

When trying to fine tune the SVM classification model using the grid parameter optimization, i found many values of Cs and gamma with different numbers of support vectors having 100% cross...

04 May 2014 435 10 View

How to get a fuzzy support vector machine algorithm for my data analysis?

I need a supervised learning algorithm to solve my imbalanced data classification problem. Can anybody tell me how i can get the fuzzy support vector machine algorithm which, as I have read in...

03 April 2014 9,376 0 View

I want to work on fuzzy support vector machine algorithm for classification problem. How do I start? Its a new area to me.

Im working on an imbalanced data classification problem that K-mean clustering seems not to be solving well. I heard Fuzzy support vector machine can help. How do I get this algorithm to work?

03 April 2014 3,371 5 View

What is the rationale for the choice of number of segments in cross-validation?

Choice of segments is common with various machine learning algorithms when dealing with training data. Is there any rationale for this choice for example say you are working on SVM classification

03 April 2014 687 4 View

How do I classify image samples with two different features using their image parameters as the basis of isolation?

I have two kinds of features (say "intact" and "cracked" samples) in my image data. How do I classify new set of samples into "intact" or "cracked" samples based on my already known samples for...

03 April 2014 9,130 5 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

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

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

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 View