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10 November 2018 916 0 View

What is the advantage of E6/E7 mRNA qRT-PCR assay for HR-HPVs over APTIMA HPV Assay in cervcal cancer screening?

08 September 2018 3,857 2 View

Systematic review Vs Scoping review?

Dear RG users, Is there a methodological difference between scoping review and systematic review? What is the clear boundary of these review types?

06 July 2018 8,423 10 View

Factors to be considered while working with a diagnostic marker ?

According to the latest publication on nature (https://www.nature.com/subjects/diagnostic-markers), a diagnostic marker is defines as 'a biological parameter that aid the diagnosis of a disease'....

05 June 2018 6,404 0 View

SPSS vs Stata?

SPSS and Stata are apparently useful for epidemiological studies despite personal preferences. What is really the basic difference between these two packages? Which one is more convenient and...

04 May 2018 532 0 View

Which type of citation manager is use friendly and freely available?

I usually use EndNote to mange citations. Recently I have learned that Mendeley, Zotero and Reference manager tools are also widely applicable in the scientific world. I need experience from...

03 April 2018 4,053 0 View

How viruses evolved?

I have learned from different literature is that the origin of viruses is not well known though there are different theories on the subject. I am looking explanations from RG users on current...

02 March 2018 2,576 5 View

High levels of antibiotic resistance found worldwide, new data shows. How this could be contained?

01 February 2018 4,463 8 View

How can we find a suitable journal to publish our research paper?

What are the most important tips that we should consider to find suitable journal for our paper?

01 February 2018 3,113 8 View

What is the meaning of Odds ratio, Risk ratio and Risk difference and how they are interprated in epidemiological studies?

Dear RG users, I am wondering suggestions from colleagues; what is the clear boundary between OR and RR? How can I easily understand and interprate these epidemiological tools? Reflections are...

31 December 2017 9,723 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