For the skewness and kurtosis coefficients sampling distributions, are they assumed to be normal or some other distribution shape?
I have a set of clinical data and i want to get the fuzzy values of that particular data . could you suggest a Matlab program for it ?
16 January 2021 6,562 3 View
I'm using a hamilton syringe to inject mineral oil through PVC tubing attached to the needle tip of the syringe. To make sure the tubing stays free of bubbles, I have to get all the air out of the...
10 January 2021 8,082 1 View
Two new variants of the coronavirus were detected in the U.K. and have now been followed to other parts of the world including South Africa and North America. The South African variant could be...
05 January 2021 499 4 View
We have a transgenic mouse line in the laboratory from which we are looking to culture retinal cells from. Our experiments indicate we might be able to produce stable cultures from these cells...
03 January 2021 7,200 6 View
Greetings, I am a Ph.D. student and have the following assignmnet: Research in databases and business intelligence. Your task for this week is to recreate an experiment conducted in a recent...
26 October 2020 3,459 3 View
I have set my contrasts up in SPSS, however the output for my interaction contrasts simply says "This L matrix is not estimable. Hypothesis tests cannot be computed." And I am unsure as to whether...
26 September 2020 1,195 3 View
Superconductors with respect to electricity manifest zero resistance to electric current. But they are NOT also superconductors with respect to heat. The flip side of electrical superconductivity...
14 August 2020 2,214 7 View
I'm looking to buy a cheap portable set-up to record surface Electromyography (EMG). Does anyone know if its possible to purchase a device that can record from two muscles for under approx. 500...
05 July 2020 4,780 3 View
This is a moderated mediation model, and I have no idea where to start to determine a sample size or how to conduct a power analysis.
07 March 2020 4,928 1 View
I am proposing that social comparisons on social media will mediate the relationship between passive social media use and social anxiety, and that gender will moderate this association, such that...
05 March 2020 7,197 3 View
I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...
01 March 2021 6,985 3 View
I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...
01 March 2021 1,587 6 View
How can one improve mesh skewness, orthogonality, aspect ratio?
28 February 2021 7,730 3 View
Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...
28 February 2021 364 3 View
My CFD problem is having two interconnected rectangular channel, which is known as mini heat sink. I have already performed parallel flow inside of an interconnected mini heat sink. However, I...
19 February 2021 3,209 3 View
I have two groups (unpaired) of plant biomass measurements and want to know whether there is a test that can be used to determine statistical significance where assumptions are not violated. The...
18 February 2021 1,258 4 View
Hello I have 2 groups with different sample sizes of (experts: 5 to 8) and (Users: 28 to 35) answering 21 questions on a 7 points Likert scale about the importance of some dimensions for...
31 January 2021 3,885 7 View
When we check our data set for univariate (e.g., SPSS) and Multivariate Skewness and Kurtosis as measures of non-normality as defined by Mardia (via Mardia' s web of Power) in order to...
12 January 2021 8,257 5 View
Hello everyone !!!! I am modeling a cold formed steel profile in the ABAQUS program. I need to insert a non-uniform load into the structure section. Skew bending moments are applied at the two...
14 December 2020 7,138 2 View
How do I create standard deviation bars for a log reduction graph? My st.dev seems to skew the graph as log reduction was not measured, only three repeats. Thankyou
10 December 2020 3,618 2 View