Hello !
I would like to do an ordinal regression ( PLUM) on spss, but I would also like to have a robust standard error. Do you know how can I do it on spss ? Or if I can add something to my syntax to make the robust standard error ?
Thank you
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
for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...
26 February 2021 3,668 1 View
Dear Sir/Madam I have a dateset that suffers from heteroskedasticity and serial correlation. To address the serial correlation lag my variables of the fixed effect regression. I retrieve the...
15 February 2021 3,700 1 View
Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...
13 February 2021 6,534 4 View
I've been reading up on how to best represent qPCR data, specially on answers given on this site by Dr. Jochen Wilhelm. I understand box plots are the way to go, but I still don't understand them...
11 February 2021 7,228 3 View
Hi everyone, I work at a factory plant where they use a mass balance. The problem is that there is an huge difference between the input and output of one element. There are several people working...
10 February 2021 5,764 3 View
Hi everyone, I am new to the field of industrial engineering. I need to formulate a gams model for a permutation flowshop scheduling problem. I will appreciate if someone can send me a code...
09 February 2021 891 2 View
I am working mainly with SAS and processed my data all steps in SAS. A user needed the data files in SPSS, but at the same time need all variable attributes to be included (formats, missing, var...
27 January 2021 4,487 3 View
I have three outputs, each with a different unit. I am searching for an error estimator with the help of which I can select the most suitable Neural Network configuration. I will have to compute...
26 January 2021 254 5 View
Hello everybody. Im new to STATA and this forum but I hope you can help me. I am doing a research project where I intend to estimate the prevalence of venous thromboembolic events (vte) up to 30...
24 January 2021 665 5 View