I wonder who still has interest in the “hyperbolic” distribution? Please specify Pros and Cons.

09 September 2013 0 4K Report

Or any of the other related families of distribution initiated by Bagnold and Barndorff-Nielsen few decades ago?

Article SAHARA: A package of PC computer programs for estimating bot...

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Would you consider "Risk engineering" / "Reliability engineering" as interchangeable topics in professional terminology and in day-to-day discussion?

I find very often that professional and laymen are using the wording “risk” and “reliability” as having the same meaning. As I speak few languages, I have the impression that this perception of...

08 September 2013 5,910 5 View

What are the mental models used ?

What are the mental models used for understanding the accidents and what are the methods applied?

01 January 1970 5,695 0 View

Which test should be used to study association among demographic profile and awarness level?

i have to study the awareness and adoption level of cloud computing in a district of India. i also want to use association among demographic variables like gender, age, education, income etc and...

02 August 2024 2,420 3 View

Why 3 replicates for most biological assays? Is it enough to examine the data fits normal distribution?

Just bounced on me. Before statistically analysing significant difference, shouldn't we see if data fits normal distribution first? Is 3 replicates enough to testify the hypothesis of normal...

31 July 2024 8,141 13 View

My frequency output shows no errors, however, there's no frequency as a result on gausview. Does anyone know what I'm doing wrong?

I'm trying to perform a frequency calculation using Gaussian via MOBAXterm. The output shows no errors, however, there's no frequency as a result on gausview. The option "vibrations" is not...

31 July 2024 631 4 View

Normality assumption for linear regression is The assumption of normality is whether for residual errors or predictor variavble?

When we conduct linear regression, there are several assumptions. The assumption of normality is whether the residual errors are normally distributed, not whether a predictor is normal?

31 July 2024 6,164 3 View

How to back transform the results generated from analyses using log transformed with In(X+1) data?

I am conducting my analysis using SPSS. I log transformed my data using In(X+1) as my data contain zero values. However, when I want to back transform the regression coefficients generated from my...

31 July 2024 7,860 3 View

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program?

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...

28 July 2024 9,165 2 View

How to test multivariate outlier in STATA?

Hey all, I need help testing for multivariate outliers using STATA for my master thesis. The literature recommends the Minimum Covariance Determinant (MCD) (Verardi & Dehon, 2010). I found the...

22 July 2024 8,821 2 View

Is is possible to calculate the activation energy of Redox Reactions Using Gaussian?

Hi everyone, I'm working on calculating the activation energies for some redox reactions using Gaussian, Here are the reactions I'm interesting: Py•−+ 3O2 → Py + 3O2•− Py•− + 1O2 → Py + 1O2•− Is...

18 July 2024 4,418 3 View

Chi-square test for allele distribution?

Hello, when calculating the p value for the alleles in the table, how do we place the values in the chi-square test in the four-eyed table? Thank you very much for your attention.

17 July 2024 998 2 View

Please, from the computational calculations of an organic compounds using Gaussian program?

Using DFT/B3LYP/6-311++G

17 July 2024 7,720 1 View