OTDR: Optical Time Domain Reflectometry/ OFDR: Optical frequency Domain Reflectometry
In some oxide glasses the absorbance increases with transition metal concentration. In anthor work the transition metal concentration is kept constant, but the composition is changed as well the...
29 August 2020 6,050 3 View
Need to understand it to answer a question regarding ortholog and paralog.
27 February 2014 5,761 2 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...
03 March 2021 687 1 View
To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...
01 March 2021 8,683 4 View
Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...
24 February 2021 7,470 7 View
Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...
24 February 2021 9,105 2 View
My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.
24 February 2021 4,150 3 View
Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...
24 February 2021 8,625 4 View
I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...
23 February 2021 7,842 1 View
I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...
21 February 2021 3,838 1 View
I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...
18 February 2021 9,647 3 View