Citation for acceptable statistical power?

When discussing statistical power of a paradigm, the values 0.80, 0.85, or 0.90 are often referred to as acceptable or good levels. Is there a default citation which refers to these values? I...

07 August 2019 5,496 1 View

[SPSS] How can I compare mean accuracy values against chance level?

Hi, I'm assisting in a study where subjects performed a binary task (correct/incorrect) under three different conditions. Subjects performed multiple trials per condition. We now want to: A)...

31 December 2018 2,223 5 View

What test is run when comparing estimated marginal means in SPSS's LMM?

In the manuscript of a recent study we describe some post hoc tests, looking at the estimated marginal means of our linear mixed model in SPSS, applying a bonferroni correction. Now our reviewers...

10 November 2018 8,890 7 View

Weighting number of cases in SPSS' MIXED procedure?

I'm currently assisting with the analysis of a data set which, among other factors, wants to compare values obtained during correctly and incorrectly completed trials. As a high accuracy rate...

05 June 2018 2,934 1 View

How to compare proportions of dichotomous related samples with different group sizes?

I'm using McNemar tests to compare the proportions of dichotomous related samples. The problem is that not all test cases are represented in the second measure, is there a test that functions with...

31 December 2017 1,632 12 View

Can I add PPI data from multiple seed-regions in a single 2nd level ANOVA?

In an fMRI project I'm working on I ran multiple psychophysiological interactions from 8 different seed regions. Since I'm interested in showing the presence of a functional connectivity based...

03 April 2017 3,122 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

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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 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

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View