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

What would be the best method to study the seasonal variation in wetland vegetation?

I wanted to learn how the seasonal variation relate to climate change. The best samplimg methods are required. Therefore, any references or suggestions are welcome. Thank you

24 February 2021 8,589 3 View

Migratory birds spread diseases?

It has been obsessed since long that millions of birds were migrated every year between the countries and on contenant level. Migration was happened due to seasonal variation, environmental...

30 November 2020 2,897 9 View

Does this time series data have trend or seasonal pattern or both?

Recently I am doing a time series ARIMA modeling using water consumption data and I plotted the time series plot of data so according to this figure Does this time series data have trend or...

12 November 2020 1,140 3 View

How to measure the treatment effects in RCT design with multiple baseline and end line rounds?

I'm working on a RCTs study on the impact of nutrition training on crop diversity of small farmers. We will train them on nutrition and observe the changes in crop diversity and their diet. We do...

27 September 2020 8,081 3 View

What statistic should be used to compare the values of spatial (Niche) overlap?

I have calculated spatial overlap of a species pair for two different seasons by using Pianka's niche overlap index. Here, I have used the frequency of occurrence of two species from camera trap...

23 September 2020 5,672 3 View

Can I extract DNA for samples fixed in FAA (Formalin).?

I have preserved the bud samples in 70% Formalin solution. I want to extrcat DNA. Because the quality DNA extracted in the last season is not very good.

15 September 2020 1,512 2 View

Has anyone used Breaks For Additive Season and Trend for decomposing the time series into trend,and season in R package?

12 September 2020 1,513 3 View

Which is the meaning of daylight locus? How daylight locus influences #thedress perception?

I am writing an article on #thedress. I have read that this illusion is partially explained by daylight locus, and I do not fully understand this idea. I know that it represents the distribution...

11 September 2020 8,645 1 View

Why some use seasonal ARIMA(p,d,q) (P,D, Q) instead of SARIMA?

Hello everyone. I am trying to use ARIMA model for a time series with seasonality. As I am new to this topic, I use the internet as my guide. My question is why anyone should use Seasonal ARIMA...

05 August 2020 219 4 View

How do you analyse questionnaire data 2 time points and indirect relationships?

I collected data using the same questionnaire at two time points, at the start and end of a season. I have an independent variable and several dependant variables but also 2 variables which may...

02 August 2020 3,229 5 View