How to test PSS/E Raw and Seq files for versions 29 and 30?

Dear Colleagues, I develop a software that export and import Raw and Seq files of the PSS/E. I would like to get some help for testing these files with someone that uses PSS/E for Load Flow and...

25 August 2020 7,104 1 View

Adequate overall psychometric properties?

I have evaluated the structure of a 14-item instrument (n=497) getting the following goodness of fit results (ULS estimator, polychoric correlations): X2 (df) = 201.881(76), p

06 June 2020 4,254 2 View

In Abaqus, how do I "tie" a reference point to a random position in a deformable surface, so that the ref. point moves due to the deformation?

I want to place some sensors on a 2D sample, but if possible, I want to avoid using partitions (to avoid increasing my mesh complexity, as my system is a bit slow). Also, I don't want to create...

16 May 2020 8,264 9 View

Does anyone have reliable information to prepare a noninferiority trial?

Dear all, as you may know, in many clinical trials it is often not ethically acceptable to include a control group with no treatment. One option is to use a wait-list, but in many cases we end up...

18 February 2020 2,914 3 View

Is there any culture media, where one could mimic the infection conditions of S. aureus?

At our lab, we frequently grow Staphylococcus aureus using TSB or Chemically Defined Media. The latter gives us some control on the conditions we want to impose to the organism, but I was...

05 August 2019 1,787 5 View

What kind of filter can be used for aqueous samples for GPC?

I want to analize a sample of water soluble polymer but i want to know the type of filter can be used for my sample

06 July 2019 1,186 3 View

What kind of filter can be used for aqueous samples for GPC?

I want to analize a sample of water soluble polymer but i want to know the type of filter can be used for my sample

30 June 2019 8,194 2 View

How to choose emg signal processing?

I have used two methods to process the same electromyography signal and calculate the maximum amplitude of it (RMS vs smoothing). However, I do not know which of them is the most appropriate,...

12 March 2019 9,524 4 View

Why do I have stop codons after the end of my primer?

22 January 2019 8,021 3 View

No title

12 December 2018 1,267 3 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

How to manage western blot for proteomics data validation?

Hi Everyone, I am a bigginer in western blotting and I am trying to use it for validation of my proteomics data. I have: two regulated proteins with molecular mass of 40 and 73 kDa one control...

23 February 2021 6,671 4 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

Can anyone provide an advice on running a validation study of a commercially available product in collaboration with the manufacturer?

We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...

17 February 2021 2,295 3 View

How to determine measurement uncertainty of a mass balance?

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