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Questions related to Statistical Modeling
Let R' = R + D be the estimated correlation matrix, where R is the original correlation matrix and D is the matrix that models the estimation error. My question is the existence of models for this...
11 November 2015 4,340 5 View
What is the statistical model that can best be used to analyze data from a cross-over design in which 4 sheep were randomly assigned to 2 diets in the first period and then switched diets in the...
11 November 2015 473 5 View
Dear all,in quantitative epidemiology and medical statistics, most of times, we use regression models to estimate causal effects, by adjusting for measured confounders. This addresses the...
11 November 2015 1,213 6 View
02 November 2015 3,612 4 View
We recently ran a paired-end RNA-seq experiment and we have the quantile normalized data on for 7 different samples. I want to measure differential expression of genes between samples however I do...
18 September 2015 2,159 3 View
Dear all, I am wondering whether there is an approved method to estimate the cost-benefit factor of statistical or even geostatistical models. That means to answer the question on how worth it is...
16 September 2015 2,956 3 View
09 September 2015 6,205 3 View
09 September 2015 8,007 4 View
Dear Colleagues... I am using Partial Least Squares (PLS) to predict student satisfaction (7 point Likert scale (1: strongly disagree to 7: strongly agree)), one of the independent factors in the...
29 August 2015 3,548 4 View
Basically, I am working to identify lean, agile and lean practices that are best for cost reduction, lead time reduction and waste reduction. My problem is how to represent this...
15 August 2015 10,048 13 View
08 August 2015 558 14 View
In Nash bargaining model, when using non-cooperative Nash equilibrium solution as threat point, because Nash equilibrium solution might be Pareto optimal, if it is Pareto optimal, does this mean...
30 July 2015 565 1 View
I am running a statistical model with a dichotomous categorical dependent/outcome variable, 5 fixed effects/independent variables/predictors (4 categorical and 1 continuous variables) and two...
10 July 2015 5,439 14 View
07 July 2015 3,061 1 View
07 July 2015 2,588 15 View
I want to work with response surface methodology for the optimization of the treatment conditions of wastewater, for this i required design of expert is Stastical tool. please any told me that...
07 July 2015 6,363 2 View
Hello, I have been trying to test a moderated mediation model with two moderators using lavaan package in R. I read some of the answers about moderated mediation with SEM, but I still have a vague...
07 July 2015 1,535 10 View
the summary() of a model.avg made with MuMIn in R, give a lot of interesting results, in particular model averaged coefficients (estimate, standard error, adjusted standard error and a z value...
05 May 2015 6,725 5 View
05 May 2015 6,203 6 View
for example in ZigBee application
25 April 2015 7,827 1 View
I have to compare the mean levels of a continuos variable y (ranging 1-20) subdividing my sample in two groups according to a dichotomous variables (i.e gender). Sample sizes of the two groups are...
09 April 2015 9,468 4 View
There I am using a specific RCT design described by Zelen et al. where randomization occurs prior to consent and only those subjects who were allocated to the treatment group would be consented,...
04 April 2015 683 3 View
Hello, I am estimating a model in Smartpls 3.0 and I want to use the consistent pls procedure. I have done EFA in SPSS and the factors should be OK. What I am a bit surprised to see is that the...
04 April 2015 5,978 6 View
04 April 2015 5,099 5 View