Is the multiplication of the expected of the sum Sin and Cos will gives zero?

10 November 2018 6,930 1 View

Time series Choosing ARIMA?

Hello, Am trying to set up ARIMA model for the attached graph, can you please advice me with best setting I can use is it ARIMA (1,0,0) or any other option? Thanks

02 March 2018 5,213 1 View

How to interpret chi-square table with peak option like this table ?!

Am trying to find the relation between two nominal variables, I did chi-square test for measuring the independence between two variables, but, one of my variables has a massive frequency in one of...

07 August 2017 9,780 4 View

Normality check

04 May 2017 3,338 16 View

What is the best way to check the normality of my sample?

I have a population of 552, the sample size is 227. the sample size is large compared to the population, with the non-response expected, is it better to conduct a census? What is the best...

03 April 2017 3,505 6 View

Does my data need to be normal for regression and SEM?

If I decide to go for a census normality test won't be needed, but if I stick to a sample then does my data need to be normal for regression and SEM?

03 April 2017 8,927 5 View

Which is best to use, Simple regression or SEM model using PLS?

Am trying to examine the effect from my independent variables using mediation effect in the middle (OCBs) toward the dependent variable (employee performance), as I knew before, I can use SEM...

01 February 2017 550 7 View

Results of Autocorrelation?

"Errors are found in this table. In the lower part of the table, all the p-values are exactly in the same (i.e., 0.000). These are impossible as at least the 13 insignificant p-values must be...

10 November 2016 7,487 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View