What is the significance of mean +/- std values ?

08 September 2016 525 1 View

How to normalize feature vectors?

My problem consists of Data matrix with size 1000x12. 12 features with 1000 examples. It is a 4 class problem.Now my question is how to perform feature normalization. I assume some ways (listed...

08 September 2016 6,719 9 View

What is the better way of ECG heart beat segmentation?

What I noticed from the literature is that for automated heartbeat classification ECG segmentation is an essential pre-processing step. However, I wonder that they are fixing the same beat length...

08 September 2016 8,920 5 View

Is class specific feature normalization acceptable?

Is it possible to do feature normalization with respective to class. EX: 10x10 data matrix with two class. Each class of size 5x5. Now normalize 25 features of class 1 and 25 features of class 2...

08 September 2016 1,717 5 View

How can i find posterior probabilities of trained SVM instead of the binarized output?

I need to get the posterior probabilities output of trained SVM instead of the binarized output. In the latest versions of Matlab, this can be done by the following steps: SVMModel =...

04 May 2016 508 2 View

How can i find posterior probabilities of trained SVM instead of the binarized output?

I need to get the posterior probabilities output of trained SVM instead of the binarized output. In the latest versions of Matlab, this can be done by the following steps: SVMModel =...

04 May 2016 9,751 1 View

Where can I find a database for all types of standard ECG and PCG signals?

02 March 2015 5,895 2 View

What is the relation between features and clinical evidence?

01 January 1970 9,499 5 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

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

What are the ranges of four diffterent poles of butterworth filter for ECG signal?

Hi, Can anyone please tell me what are the ranges of four different pole orders such as first order, second order, third order and fourth order respectively of butterworth filter for ECG...

23 February 2021 2,554 3 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

What cause the beating of this signal?

I am trying to simulate the impact of a sinusoidal force on a Beam, yet I registred this beating signal (Displacement by time). The freaquency of excitation was the same as the first natural...

19 February 2021 5,872 3 View

What software programs are good for statistical analysis in biomedical sciences?

Hi, I am a junior researcher in biomedical sciences and want to enroll in the statistical course but can not decide which one would be the best option. I have a dilemma between SPSS and STATA....

14 February 2021 5,227 5 View

Does Abaqus plugin AM-Modeler predict the same temperature/crystallinity history as UMATHT user-subroutine?

During AM process, progressively activation of elements can predict the temperature/crystallinity history, including surroundings heat losses and than this data could be used to determine the...

06 February 2021 4,686 1 View