Anusha a S

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Questions related from Anusha a S

Is there any significance for electrodermal activity data within the frequency range of 1.25 Hz to 2.5 Hz?

A 6 level Haar wavelet decomposition of EDA data sampled at a frequency of 5 Hz yielded level 1 detail coefficients within a frequency range of 1.25 Hz to 2.5 Hz. It is mentioned in the literature...

17 March 2019 6,093 1 View

Is it appropriate to represent correlation coefficient (Pearson or Spearman) as percentage?

I am tabulating the results of a few studies in literature. Some studies have attempted classification and have indicated their results as accuracy in percentage, while some studies have done...

01 January 2019 1,505 3 View

Is WatchPAT a home sleep monior?

Is WatchPAT from Itamar medical a home sleep monitor or sleep apnea monitor? Can it be used to generate the ground truth for sleep staging? Any reliable references of the use of the device as a...

12 December 2018 1,430 2 View

What is the difference between Subject specific and Epoch specific clustering?

Many of the machine learning algorithms use k-means clustering to improve the clasification performance based on human physiological signals. However, while some studies uses a subject specific...

09 November 2018 2,730 1 View

What is the advantage of using statistical techniques before feature selection using wrapper method?

I have seen literature reporting the use of statistical techniques like Mann-Whitney U test and Cohen's D effect size to identify most suitable subset of features for a classifcation problem. But...

16 September 2018 6,791 2 View

How does the AttributeSelectedClassifier in WEKA works?

Is there any document giving a mathematical representation of the working of AttributeSelectedClassifer in WEKA?

31 July 2018 7,641 1 View