Why the total sample size changes when I weight cased in SPSS?

Dear research community, I am using a data file from DHS survey and I need to adjust for cluster sampling design. I am using SPSS version 27. When I weight the data based on the weights that have...

09 October 2020 1,383 3 View

Mymensing med J 2014 Oct;23(4):770-773. I am one of the co-author but research gate showing different name. What is the solution?

I have already mentioned that i am one of the author of Mymensing med J 2014 Oct;23(4):770-773. Article titled "Association of infertile patients having polycystic ovarian syndrome with recurrent...

04 October 2020 2,148 1 View

What is Static Parameter in GPOPS?

Despite the time I have spent on GPOPS, I could not understand the application of static parameters. What are they? Can anybody present an example?

11 April 2020 1,388 3 View

How should I adjust the optimizing criteria in GPOPS (a Matlab software)?

I'm working with the first version of GPOPS, which is a software for optimal control problems. I know it uses SNOPT to solve problems, but it doesn't work correctly, and it stops convergence...

23 April 2019 4,238 2 View

Is it better to normalize input values when we use fmincon function in matlab?

Is it better to normalize input values when we use fmincon function in matlab?

06 April 2019 4,581 3 View

Does anybody now what to do with a warning when performing multiple imputation in SPSS?

Hello, I'm trying to run multiple imputation on SPSS 25 with defined constraints, and am getting the following warning that stops the execution of the process: "After 100 draws, the imputation...

06 February 2019 9,709 2 View

How to test validity of questionnaire in spss?

correlation is enough for validity?

03 November 2017 2,415 5 View

How can I detect My Rare gene in samples ?

11 June 2016 1,701 4 View

How can I remove the sample from surface of gold interdigitated electrode?

The sample drop cast on IDT.

10 April 2015 1,925 3 View

What am I to do when the author of paper said wash with water and ethanol in chemical synthesis?

24 January 2015 9,693 6 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View