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Questions related from Tamilalagan Natarajan
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...
07 July 2018 3,275 2 View
I am using WEKA GUI and running rotation forest classifier. Is there any easy way to identify incorrectly classified instances?
02 February 2016 7,231 4 View
I have 2 classes (good and poor) based on several numeric variables (say, v1…. v20). Conditions of classification: If v1, v2, v3 and v4 are “high”, then the class is “poor”. If v1, v2, v3 and v4...
01 January 2016 4,113 3 View
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.
01 January 2016 5,896 5 View
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....
03 March 2015 657 6 View
I performed a clustering using WEKA. I got 4 clusters and a confusion matrix. When I visualized the clusters, I thought I can understand the relationship between confusion matrix and the visual...
10 October 2014 607 8 View
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...
08 August 2014 1,579 4 View
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...
08 August 2014 3,308 1 View
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...
08 August 2014 4,506 4 View
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...
03 March 2014 3,238 5 View