Simulation or Experiment? How do we choose?

If we want to assess if a phenomenon is going in a direction we expect, we can simulate it, using digital models, possibly agent models factoring in known properties and interaction features. We...

12 February 2021 1,141 21 View

Why RFLP Digestion looks in this way?

01 February 2021 9,576 3 View

Matrix based scientific data analysis: extrapolating to matrices of sets?

Data sets, when structured, can be put in vector form (v(1)...v(n)), adding time dependency it's v(i, t) for i=1...n and t=1...T. Then we have a matrix of terms v(i, j)... Matrices are important,...

30 January 2021 9,295 6 View

SELECT IF in SPSS and its Syntax?

I am writing a piece of code in the Syntax of SPSSstatistics. The code is the following. GET DATA /TYPE=XLSX /FILE='file' /SHEET=name 'Sheet2' /CELLRANGE=full /READNAMES=on...

14 January 2021 2,463 8 View

Statistical code for indexes?

05 December 2020 664 3 View

Non-parametric correlation tests on SPSS?

I have computed multiple Kendall tau-b and Spearman rho on SPSS. For some of my instances, Spearman rho index is 1 and the Kendall tau-b is 0.988. It should be also the Kendall tau-b 1. How...

21 November 2020 9,833 3 View

Human-Machine co-operations or competition? Where are we today?

At the cross-roads of Technology for Advanced Manufacturing, involving robots and humans, and Digitised Economic Sectors, is a governance matter for Cognitive Manufacturing [1] and rules of the...

21 November 2020 7,145 20 View

LIFE in SMART CITIES: Animal data versus Human data, complementarity or not?

One observation is that in any city (those I know) you have humans, of course, but you also have many animals. Statistics of humans start with population data (for instance demographics) and...

08 November 2020 4,127 6 View

ISSR Annealing Temperature Calculator, which formula can I use?

I was wondering if I can use a formula for my ISSR primers to calculate the annealing temperature and melting temperature. Alternatively I would like to know if is possible to calculate with any...

27 October 2020 8,885 3 View

Recommended insect storage/shipping method for NGS ?

Dear all. We need to sample insects, store them upon collection and ship them internationally. Sampled will later be processed for DNA extraction and NGS sequencing. Keeping all this in mind, can...

25 October 2020 7,390 2 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

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

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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 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