Solar energy production forecasting ?

Hello everyone! I am interested in the topic of solar energy production forecasting for a ground-mounted PV system of more than 100MW capacity. Can anyone please suggest what are the main data...

08 February 2021 6,834 5 View

Why AC cables are always covered with the sand first and then covered with soil in solar park ?

I was curious to know why we only use sand for covering the AC cables inside the trenches and instead of having good isolation why these cables are covered. Why is there a problem in the trenches...

13 January 2021 6,008 3 View

Error encountered in executing MCE ?

In Terrset, an error encountered in executing Spatial Decision Modeller (MCE). During execution or run the MCE a massage come on the screen that reflects "Your columns and rows are not same" , I...

07 December 2020 1,542 1 View

How to do extract Urban Heat Island separately from LANDSAT image for each land classes?

I have already been read many articles and found some methods but those are not cleared to me. Can you please suggest me how to generate different LST map of each land classes using ArcGIS? Or...

25 October 2020 5,978 5 View

Can someone advise me to do Rietveld Refinement of the material whose Crystallographic Information Framework (CIF) file is not available?

10 October 2020 7,411 9 View

Recombination in Light emitting diode?

Why does recombination release light? It's one thing to say, 'and when the electron drops down it releases light', but it would be another level to explain how an electron dropping down creates...

28 July 2020 2,360 4 View

Has this COVID19 pandemic affected the renewable energy sector ? If yes can we analyse this affects with the help of data science and how ?

As the pandemic has affected each and every sector of the market, so my question is how big it has affected the renewable energy sector. If it has affected then can we have the specific results...

25 May 2020 6,643 7 View

No title

1. Why both models ("cv_mars" and "mars1") produced the same results? What is missing here? Even used another hyper_grid as Please click here https://stackoverflow.com/q/61216514/12675265

27 April 2020 3,876 1 View

How to conduct Monte Carlo uncertainty analysis for actual and predicted data in R ??????

I would like to conduct Monte Carlo uncertainty analysis for actual and predicted data in R; Kindly share some effective resources; However, I have this where understanding the hyperparameters...

08 April 2020 458 2 View

Which model can be used for a mix of I(1) and I(2)?

Dear members, I have a set of five time series. Two of them including dependent variable are I(2) and rest are I(1). Suggest me which time series modelling can be applied in this case? Thank you...

25 January 2020 2,780 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

What does Servant Leadership mean today and in the future? What are the advantages and disadvantages?

In current time of many changes in business and world of work, a lot is said and reported about the importance, skills and benefits of leadership. Are soft skills becoming more and more important?...

02 March 2021 8,149 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How could I process data in RCT to include it in meta-analysis?

I'm in the process of doing a meta-analysis and have encountered some problems with the RCT data. One of my outcom is muscle strength. In one study, I have three different measurements of muscle...

25 February 2021 7,603 3 View

Is it mandatory to specify Subjects Combinations in Generalized Linear Mixed Models (SPSS)?

Hi all, I have data with two levels: lets think of the classic example of students and schools. When running the analysis in SPSS and selecting the Random Effects, we can select (we can or we...

24 February 2021 7,379 4 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View