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Questions related to Modeling
In APSIM Potato simulation in the output file variables grid, there is no option to add yield (Kg/ha). But for other crops in APSIM model it is available. Any suggestions how to add/drag yield...
02 May 2022 1,640 0 View
Hi! I'm looking for a way to measure individually the density of small (1-20 mm-diameter) shell fragments individually. The shells have a complex microstructure with variable density throughout...
27 April 2022 8,628 3 View
I am looking for a circuit design of a 200 watts ultrasonic homogenizer. I would appreciate if you share any data about this
26 April 2022 3,758 2 View
Hello, I am looking to use Sytox Green as a substitute for propidium iodide (which I can't use with my microscope) in a live cell imaging experiment with T cells killing Daudi Lymphoma cells. I...
25 April 2022 4,325 2 View
The traditional construction of a composite indicator is generally based on Factor analysis or Principle Component Analysis. These two methods require that individual indicators are supposed to be...
24 April 2022 9,194 12 View
Hi there I have undertaken SRs in the past and I know the ideal is to have 2 reviewers and a third person to resolve any discrepancies. But is there a maximum number of reviewers for scoping...
14 April 2022 7,639 2 View
I am trying to apply french fama 3 factors model on the Moroccan market and I am trying to construct the factors by myself : the factors are computed using 6 portfolios using size and book to...
08 April 2022 3,386 0 View
I have used column-bind (cbind) function in R to create a dependent variable of two different data columns, and would like to apply Bayesian GLM analysis to it with several other independent...
06 April 2022 1,088 8 View
While numerous broad-scale studies, meta-analyses, and models have revealed factors associated with drought susceptibility, I have not seen studies addressing fine-scale drought vulnerability. I...
03 April 2022 5,725 4 View
I was producing vegetation indices in a study area in the tropics with MOD09 product (Land Surface Reflectance, 8-days, 500m) and also with MOD13 (Vegetation index, 16-days, 500m). I got more or...
29 March 2022 3,650 1 View
is there any paper available to understand the concept of XFEM in the basics, I mean I want to learn how to create K and M matrices numerically?
27 March 2022 8,599 3 View
Gary M. Lovett 1994 set the constant median dry deposition velocity of PM10 at about 0.0064 m/s in the equation; PM10 deposition = Vd.Ci.Ti. 24.3600. How to determine the constant average value...
27 March 2022 7,535 1 View
I am trying to simulate a micro grid and I need an inverter for a DC source. In my method, this inverter must set Id and Iq values as input references and delivers Active and Reactive power of the...
26 March 2022 6,205 2 View
It is recommended to calibrate the measuring instruments before performing any experiment. Ideally, how often do we need to calibrate an accelerometer? Are there any simple and effective methods...
26 March 2022 5,760 9 View
I am working to simulate very thin aluminum layer (t = 0.3 mm) with central crack subjected to multi axial fatigue by abaqus (standard) software as shown in the figure below and according to the...
23 March 2022 696 0 View
I have seen that almost all four-wheeler commercial vehicles or power requirements over 10 kW, PMSM or Induction motors are used. Is the reason behind this is more torque ripple and lower speed...
20 March 2022 9,701 2 View
I have calculated Standard Precipitation Index (SPI) values using "SPEI" package in R. Interestingly, I have got some zero values of SPI for about 10 months in the same year and this has happened...
20 March 2022 8,402 7 View
How to decrease loss in the radial distribution system and install a correctly rated capacitor; if the capacitor is not installed properly located, it may increase distribution losses.?
19 March 2022 8,883 2 View
Hi! I'm new to Arena and I'm trying to model a process in which users arrive in groups of various sizes following some distribution (e.g. TRI(2,3,5)). How would I model this without creating...
18 March 2022 6,709 3 View
If I have a likelihood function with four parameters to maximise where two parameters comes from distribution function under study and other two parameters come from certain assumptions. Then is...
16 March 2022 3,110 7 View
I am running a MARKAL model, (GAMS based model) and a .lst file is generated. May I know what does the following terms mean. I have read the literature but still not able to make out the true...
15 March 2022 2,891 1 View
Hi I am wondering if there is a standard effective sample size (ESS) to declare the convergence of a chain. Well, the convergence of a MCMC chain is obviously assessed using different convergent...
10 March 2022 9,676 3 View
I am simulating a project and I have to run a lot of simulations like building energy consumption at different weather data. Can anybody tell me how to get the results in one simulation?
10 March 2022 2,176 1 View
Is there any theory or logic to fix 2nd order construct as formative and reflective. As at first order discriminant validity has established so it can be clue that the 2nd order is formative if...
10 March 2022 6,797 4 View