Best technique for classification of alternating current (ac) waveforms?

I want to perform classification of alternating current (ac) wave-forms -to classify wave forms (such as type 1, type 2 etc.). I request advice on best classification technique (SVM, Neural...

06 July 2018 3,104 2 View

Are there any methods that are similar to Fisher Score for Feature Selection?

I understand Fisher score is a feature selection methods. Are there other methods similar to Fisher score for mostly numeric variables and 2 class problems.

31 December 2015 5,787 5 View

Classification-calculate probability of a new variable influencing class output?

31 December 2015 4,021 3 View

Can I use the CO2/CO ratio to determine the condition of transformer paper insulation?

I have some DGA data that I am using to determine the over all health condition of the transformer insulation system. To determine the strength of paper insulation, I depend on Furans value or DP....

02 March 2015 536 6 View

Can anybody help me to understand the attached WEKA Clustering results?

09 October 2014 425 8 View

What is the relationship between IFT of mineral oil and presence of CO2, CO, acidity and moisture?

A question for all chemical experts: I want to know the effect of dissolved gases such as CO, CO2, acidity and mositure on the IFT (interfacial tension) of mineral oil. For example, would I be...

07 August 2014 3,230 1 View

Oxygen content in transformer oil - any thoughts?

Transformer oil usually contains oxygen in addition to other gases. A significant portion of the Oxygen is from atmosphere entering through the defects. Apart from this, are there other reasons...

07 August 2014 1,409 4 View

Can someone recommend software tools to calculate correlation?

Hi all, I have a dataset with about 20 features (numeric) in each record. I want to calculate the correlation between all these 20 features and export the results to MATLAB. I am now using Excel...

07 August 2014 4,418 4 View

How to carry out feature selection in machine learning?

I am just stepping into the research world after spending decades in industry - far away from academics. My apologies if my question is not a valid question or if the answers are already well...

02 March 2014 3,156 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

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

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to find the mode of classified ocean colour images?

Hello, I have classified 10 S3 OLCI images from the same area (althouth not the same size and/or quadrant) and I would like to do a final image using the mode of the pixel of these 10 images. I...

01 March 2021 9,874 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View