How To Perform a Step-wise Method In Proc Survey logistic, In SAS?

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Is there an effective way of purifying schiff bases?

I am working with Salen type schiff bases and have been struggling to get a pure product. From the NMR spectra, I still pick up both of my starting materials (aldehyde and amines).

12 December 2021 1,018 5 View

A paper on a fossil lycopod?

Dear all, Does anybody have a pdf of this paper? Wood, G.R. and Beeston, J.W., 1986. A late Permian lycopod cone Skilliostrobus sp. cf. S. australis Ash 1979 from Queensland. Geological Survey of...

07 August 2024 4,857 2 View

SAS Generalized Linear Model for trial/event anaysis and not survival (time to event) analysis?

I am looking for a published article using SAS or SPSS Generalized linear model for trial/event data and not survival analysis. Both software packages off the option for the number of success out...

30 July 2024 3,835 2 View

I am looking for the permission to use the OLBI survey. Does anyone know where I can obtain that information?

I have reached out to the original creator Dr. Demerouti but have had no luck with a response. I am completing my IRB form and need the information or permission by tomorrow. I know short notice,...

29 July 2024 3,684 0 View

I'm conducting a study on Research Commercialization in Pakistani HEIs and would appreciate your participation in a brief survey?

Dear Participants- Faculty and Researchers from Pakistani Higher Education Institutions, Thank you for participating in research study that aims to 'Analyze Individual and Institutional Factors...

18 July 2024 7,024 1 View

Why does total carboydrate content decrease when increasing the vacuum degree?

I have conducted a survey on the "effect of vacuum drying conditions on carbohydrate content of angelica.S". The result show that, when increasing the vacuum degree, the carbohydrate content first...

13 July 2024 592 1 View

My Research Survey Question ?

I am pleased to extend an invitation to experts in the fields of Cybersecurity, Computer Science, Computer and Electronics Engineering, Mathematics, and Operations Research to review and provide...

04 July 2024 6,132 0 View

How to adjust the survey weights for non-response rate in a stratified random sample design?

Thank you in advance for your support. We conducted a stratified random survey in 13 strata and obtained a sample size for each stratum. At the time of the survey we had a variable...

01 July 2024 281 3 View

Posting a research survey ?

Hi i want to post this in various groups, how do i do that ? hey, please do my survey when you get the chance, it will take 15 minutes tops x I am looking for UK secondary school teachers to...

30 June 2024 9,594 2 View

How do you think about omni-channel marketing?

Hello everyone! I'm conducting a study on how people choose between different shopping channels in today's omnichannel retail environment, and I need your input! Whether you prefer shopping...

26 June 2024 5,275 0 View

Finding Survey Participants?

Dear Survey Experts, I am currently researching trust and resilience in the supply chain and seeking efficient ways to find survey respondents. In addition to social media and business...

21 June 2024 395 2 View