Pitsburg Sleeping Quality Index (PSQI) is one kind of subjective measurement in sleeping quality; it asses sleeping quality in the last month; is there any valid and reliable subjective instrument to asses sleeping quality for the last 24 hours?
Do you consider to submit your preprint manuscript in arXiv or similar provider before accepted in a peer-reviewed journal? What are the advantages and disadvantages?
10 November 2018 4,722 4 View
In Epidemiological study, we often find the term of predictor and risk factor, what is the difference between them and when do we use them? Is it also related to statistical analysis that we use?
01 January 1970 9,590 23 View
I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...
02 March 2021 752 2 View
Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...
28 February 2021 7,882 2 View
Dear all I am going to publish my manuscript which is from my thesis in a good H-Index journal but I found them very expensive(I don't have financial support) based on the exchange currency of my...
28 February 2021 7,800 6 View
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
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
I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...
26 February 2021 3,033 9 View
25 February 2021 1,987 3 View
Need Help Does anyone Know how to make a Fractional impervious surface (FIS) map from NDVI map, in ArcGIS environment? Thanks in advance
24 February 2021 8,455 2 View
The impact factor is a measure of the importance of a journal based on the number of citations received in a year. ... Articles published in a journal with a high impact factor do not all receive...
24 February 2021 7,481 2 View
Suggest me the method or some other software to calculate the above said data for nanoparticles.
21 February 2021 3,350 7 View