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 optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 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

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 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

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View