How to do the computation of ARL for multivariate EWMA using the R program?
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
R program on Multivariate EWMA
10 November 2012 518 0 View
I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.
11 August 2024 9,101 4 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...
10 August 2024 7,180 0 View
I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...
10 August 2024 7,429 2 View
How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?
09 August 2024 7,718 0 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.
07 August 2024 5,307 1 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
Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...
06 August 2024 1,989 3 View