R program on Multivariate EWMA
What tool can appropriately be used to analyze the data? Could it be regression analysis or correlation analysis?
09 October 2018 2,405 0 View
i have been trying to run a multiple regression in SPSS package, where i have 10 variables of which one variable is DV and the remaining 9 are IVs. when linear regression was run it shows a...
06 July 2017 4,849 7 View
X_n= λY_n+(1-λ) X_(n-1)+2/3(Y_(n+1)-Y_(n-1)) Where λ is the smoothing constant, Y_(n-1) is the previous observations, Y_(n+1) is the future observations, Y_n is the present observation, such that...
07 August 2014 2,876 1 View
Does anybody have any idea on how to test for the signal resistance of a control statistic? The control statistic is in the attachment. Theory/lemma on how to achieve this is highly welcome.
04 May 2014 3,561 1 View
Given X_n=λY_n+(1-λ) X_(n-1)+(Y_n-Y_(n-1) ), considering the points Y_(n+1), Y_n, Y_(n-1) and then choosing two at random and taking the average? (Y_(n+1) - Y_n, Y_n-Y_(n-1), Y_(n+1)- Y_(n-1)...
03 April 2014 7,142 0 View
Please any idea on how to construct a combined control charts in a single chart (say EWMA control chart and xbar control chart)?in R or any statistical packages.
03 April 2014 1,810 3 View
I came across a code in Matlab on how to generate the data with autocorrelation "X=cumsum(rand(n,p)-r)", where n is the number of observations, p is the number of variables and r is the...
02 March 2014 5,573 4 View
Im trying to build a VAR(p) model with autocorrelation, even though among the assumptions of the VAR model is the error term 's autocorrelation should be zero. Is there a way to build such a model...
31 December 2013 6,003 2 View
I am trying to determine the effect of autocorrelation on the performance of standard control chart, but first have to model the auto-correlative structure of the standard control chart for the...
31 December 2013 6,669 2 View
How to do the computation of ARL for multivariate EWMA using the R program?
10 November 2012 1,738 0 View
Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...
07 August 2024 8,106 4 View
Are there any statistical methods to justify your sampling technique using SPSS or AMOS?
05 August 2024 9,153 4 View
Hi everyone, If you have written or come across any papers where Generalised Linear Mixed Models are used to examine intervention (e.g., in mental health) efficacy, could you please share the...
04 August 2024 4,130 4 View
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
Does anyone know of a module for the JAMOVI software that is capable of generating mean separations using the classic letters based on post hoc results (e.g., Tukey test)? If, as I believe, such...
31 July 2024 3,333 4 View
N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.
30 July 2024 7,233 4 View
Good morning, I would like to conduct a factor analysis for my work at the municipal level on a panel datae with variables such as income per capita, unmployement rate, percentage employed in a...
25 July 2024 5,104 4 View
I am currently working on a mendelian randomization study, and I have downloaded the datasets needed from the ieu opengwas project (mrcieu.ac.uk) in .vcf format. I do not have access to an R...
19 July 2024 2,342 5 View
Hello everyone, I am currently working on a project where I aim to analyze color preferences in data visualizations across participants from three different countries. The dependent variable in...
19 July 2024 4,178 2 View
What type of experimental design do l use and what statistical tools do l use for the hypothesis. What is the position of control group in the analysis?. Thanks
18 July 2024 3,581 3 View
