How to measure HRV-PRV agreement using Bland-Altman plots from Excel (step-by-step guide)?

Hi! I recently installed the Real Statistics complement for building Bland-Altman plots in Excel. However, I don't know how to use it in evaluating the agreement between HRV and PRV series. Could...

10 November 2019 1,893 3 View

What is the minimum number of PP intervals required for accurate and reliable extraction of Pulse Rate Variability (PRV) from PPG signals?

The minimum number of RR intervals required for reproduce several metrics derived from HRV (e.g., HF power) can be found in the literature (Richards et al., 2010). However, what about PPG signals...

05 June 2019 3,127 2 View

How to calculate PRV-high frequency (HF) power from PPG signals?

Where could I find a MATLAB code for estimating the PRV-high frequency (0.04 - 0.15 Hz) power from a PPG signal? Thanks in advance!

04 May 2019 3,810 3 View

False Positive or False Negative?

When the time deviation between the annotation of the expert and what is labeled by a peak detection algorithm exceeds the tolerance limits (see the picture), should we consider it as a False...

03 April 2018 9,958 4 View

One-way, Two-way or Multifactorial ANOVA?

I want to compare the runtime of two different algorithms for calculating the response obtained when a rectangular pulse is applied. The parameters are the pulse amplitude, the pulse duration and...

09 October 2017 677 1 View

Can we consider that environmental engineering and biomedical engineering can overlap?

Biomedical Engineering comprises many domains, such as tissue engineering, biosensors, clinical engineering and physiological modeling, but I was wondering if environmental engineering can be...

09 October 2017 3,157 4 View

How many runtime measures do i need to be statistically reliable?

I need to compare average runtime execution of two different C++ algorithms. The question is: how many times do I need to repeat the experiment in order to calculate the average runtime for each...

08 September 2016 7,368 12 View

Results from implementation of the Internet of Things: Does it really has an advantage for the industry?

This concept (the Internet of Things - IoT) has become increasingly popular. It is expected to offer promising solutions to transform the operation of existing industrial systems such as...

02 March 2016 7,723 11 View

Can anybody provide me with a C++/Matlab code for the "spike-response neuron model"?

11 December 2015 6,744 0 View

Could anyone kindly provide me with a Matlab code for solving the XOR problem by using the differential evolution algorithm?

06 July 2015 714 6 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

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

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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

No title

02 March 2021 3,060 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View