11 October 2024 10 8K Report

In your opinion, which programming language would you suggest as the best choice for researchers specializing in hydrology and water resources?

More Azzeddine Reghais's questions See All
GC/MS profiling of microalgal Ethanolic and methanolic Extracts?

Is it imperative to conduct derivatization before analyzing the microalgae extract using GC-MS? What protocol should be followed if derivatization is deemed unnecessary and the extract is ethanolic?

20 February 2024 5,453 2 View

Are FTIR and Raman analysis techniques adequate for exhaustively identifying the bioactive molecules present in a microalgae extract?

Are FTIR and Raman analysis techniques adequate for exhaustively identifying the bioactive molecules present in a microalgae extract?

17 February 2024 6,186 1 View

How could we explain the formation of fluorapatite?

a soil sample taken from and pld abbey, the soil sample where taken from a room that have a blast-furnace in it, while an x-ray fluorescence gave a concentration of 1.5% of fluor, and an analysis...

10 December 2023 9,287 3 View

Why do we see a limitting current in a linear sweep voltametry and not in a Cyclic voltammetry ?

an expriment done with a scan rate of 0.01 mv/s for CV and 0.005 ms for LSV

03 December 2023 4,562 4 View

Using qgraph package in R to Visualize Complex Relationships Among Variables?

I would like to use correlation analysis to check the co-occurrence of HMs in the sediments and visualize the results using a grid showing the connections between the different HMs within the...

20 March 2023 2,041 0 View

How can I define a graphics space to make plots like the attached figure below using the graphics package in r?

How can I define a graphics space to make plots like the attached figure below using the graphics package in r? I need help locating each position (centering) using the "mar"...

12 March 2023 8,898 4 View

Bootstrap method to estimate the error rate in linear discriminant analysis ?

How to run the Bootstrap method to estimate the error rate in linear discriminant analysis using r code? Best reghais.A

23 January 2023 1,488 8 View

The robust confidence ellipses of 97.5% in robCompositions or compositions packages?

How can I add the robust confidence ellipses of 97.5% on the variation diagrams (XY ilr-Transformed) in the robcompositions ,or composition packages? Best Azzeddine

07 January 2023 8,019 1 View

Spatial and temporal mapping with gstat package?

I would like to use the R package "gstat" for predicting and mapping the distribution of water quality parameters using tow methods (using kriging and co-kriging) I need a guide to codes or...

25 November 2022 8,458 4 View

What ways can I get measurements of ozone and nitrogen dioxide concentrations in an area?

What ways can I get measurements of ozone and nitrogen dioxide concentrations in an area? What satellites provide this type of data and can I use Google Earth Engine to retrieve the data when it...

18 July 2022 7,001 2 View

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• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Request Python code?

Request Python code from this article : Gender equity of authorship in pulmonary medicine over the past decade. THANKS!

08 August 2024 6,242 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

Why does everyone use vs code?

Visual Studio Code (VS Code) has become a popular choice among developers for several reasons: 1. **Free and Open Source**: VS Code is free to use and open source, making it accessible to...

07 August 2024 7,013 4 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

How can i do multivariate Time Series forecast using MLP, ANFIS and LSTM?

I need the python code to forecast what crop production will be in the next decade considering climate and crop production variables as seen in the attached.csv file.

05 August 2024 2,977 3 View

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