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

Why jupyter editor gives different results ?

dear community, for my project i'am using anaconda jupyter lab , for the same lines of code using same editor , just after clicking on restart kernel and clear all data im getting different...

26 January 2021 294 7 View

How can we apply svm for multiple classes?

for a dataset with 5 categorical classes , what would be the be the best classifiers ? size of data (670,49)

04 January 2021 5,187 6 View

ValueError: Input 0 is incompatible with layer model_16: expected shape=(None, 335, 48), found shape=(None, 48) ?

Dear community , I need your help , I'm training my model in order to classify sleep stages , after extracting features from my signal I collected the features(X) in a DataFrame with...

25 December 2020 4,575 8 View

How to select number of features selected from DWT decomposition ?

Dear community , currently working on emotions recognition , as a first step I'm trying to extract features , I was checking some recources , I found that they used the SEED dataset , it contains...

13 December 2020 9,364 6 View

How to apply feature extraction on epoched Data ?

Dear community , during processing my dataset ( physionet sleep edf ) , I created epoched data , and then created different lists , each list representing a sleep stage and containing the epochs...

15 November 2020 8,771 3 View

How can I load the eeg data ?

Dear Community , I want to load my dataset from physionet Sleep edf , and try to separate the list of signals than the list of labels so I can apply the feature extraction , I used MNE python ,...

14 November 2020 8,031 5 View

How top apply feature extraction for eeg ?

Dear community , I tried to extract features using continuos wavelets transform using python on my data , but I faced some problems ; my dataset are sleep recordings for 10 patients (physionet...

06 November 2020 895 12 View

Work-life balance during and after the COVID-19 Pandemic?

Hi everybody. What do you think about the work-life balance for everyone during and after the pandemic? to what extent this balance is impacted? how can everyone master this balance when working...

21 May 2020 6,915 15 View

How can I convert monograph HMM models from HTK formats to Kaldi format without passing through contextual structure for the HMMs?

I am trying to convert HMMs models built with HTK tool kit to Kaldi, i tried to use an open source provided with Kaldi backage but it recommends contextual structure for the HMMs. The HMMs that i...

02 January 2016 1,296 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View