[HAPSTAT] how to interpret results
HELP!!!!!!!!!!!!!!!!!!!!!!!!! :shakehead:shakehead:shakehead I can't figure out how to interpret results of HAPSTAT. So I made the imput file with my data and opened it with HAPSTAT. I followed the...
View Article[LisRel] How can i add a polychoric correlation to my LisRel syntax?
Hi everyone, I'm trying to create a structural model for my master research. So far, i have created an initial model with only continuous variables. I have 2 independent and 1 dependent latent factors...
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How to I interpret the result with multiple dummy variables in JMP?
Hi, I did a stepwise to check the significance of 1 continuous variables and 7 dummy variables. I included the interactions of all variables and included them in my model if its significant. The result...
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(MATLAB) Determining whether Matrix is Symmetric via Norm
I tried answering the multiple choice questions on the second and third attempt. But a) and i think e) were wrong. Could someone help.
View ArticleProgram for rising sequences?
Hello everyone. Completely new user here. I'm currently an undergrad student pursuing a career in medicine. Most of the statistics work I need to do for my undergrad research is core stuff like...
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[Lisrel] Need help with Lisrel project
Hi, I am having trouble with my Lisrel Project. If there is someone who knows Lisrel, i would appreciate the help. I put my hypotheses, syntax and output in the attachments. Thanks in beforehand....
View Article[SaTScan] relative risk confidence interval calculation
Thank you for reading this. My question is regards the methodology used by SatScan for purely temporal cluster analysis using a discrete Poisson model satScan's output gives me the following: Quote:...
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[Lisrel] When including a control variable the solution doesn`t converge
Hello, I`m testing for the mediating effect and Lisrel works fine when only independent and dependent variables are included. The problem occurs when I include a control variable (TT) in SEM. I...
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AMOS simple model question
Hi, I'm having a hard time getting two (seemingly!) basic models to run in AMOS. I keep getting messages about not enough constraints. I've attached two models here. I appreciate any suggestions you...
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[Sigmaplot] regression line analysation
Hi, i want to compare 2 regression lines in Sigmaplot. I know there is a parallel line analysis tool, but how do i compare the slopes of those 2 lines? Any help appreciated!
View Article[Systat] Kaplan Meier Survival estimates
I'm trying to teach myself how to use Systat. I would like to use it to conduct a staggered entry Kaplan Meier survival estimation. I am not sure how to set up the data so that the correct variables...
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[PQRS] Wilcoxon rank sum test - what distribution to fill in
See attached picture - I know one of the values is 4 because there are 4 observations in each group, but is that m or n in PQRS, and why is the other a 4 as well? What does it represent? Thanks in...
View ArticleSQLite select from based on Pivot of another table
Ok I have a database that includes two tables. A datatable that looks like: Code: a b c d e f g h i 1 -2.1772586...
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AMOS - Ta-equivalent - constrain parameters to be equal and to unity
Hi everyone, I am trying to create a tau-equivalent measurement model in AMOS. Thus, I need to set each regression weight to 1 and give them the same parameter name so that they will be equal to one...
View Article(AMOS) Independent variables
Hello thanks for reading my post and hopefully helping me :D I`d like to do a path analysis with AMOS. But I have several questions, and looking for the answers for over a week. 1) I have several...
View Article[LISREL] Is sequence of variables in Prelis important for making a model in...
Hi everyone, I'm creating a structural equation model for my research by means of LISREL. Recently, i noticed that the order of my variables in my prelis file changed my entire model. I started by...
View ArticleAnyone know a good software to generate simulations [other than R]?
Anyone know a good software to generate simulations [other than R]?
View ArticleLASSO - NegBin/Quasi Poisson in Matlab
Hello, I am currently attempting to implement variable selection using LASSO. Unfortunately, since my data is frequency and generally overdispersed, I would need to use either Negative Binomial or...
View Article[Primer-E] Plot species-area curves for different factors
I am using Primer-E 5.2.9 and trying to plot species-area curves for 3 factors (localities) simultaneously on the same graph. The menu item Edit>Select>Samples has the check box for "Select by...
View Articlewinbugs help near London
Hi to everyone! I'm Rossella (a PhD student in Mathematics) and I'm writing a paper on the geographical distribution of Tuberculosis in my regions. I'm using Winbugs to fit several models including...
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