How can I use wavelet analysis in the analysis of time series such as wind speed, SST or El Niño Oscillation ??

More Ismail Bessa's questions See All

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

Is it true that the vacuum bomb is about to arrive?

We assume this to be true. We also assume that the vacuum bomb is the latest version of explosives with an explosive power of a few to ten kg of TNT equivalent. It has the unique characteristic of...

04 August 2024 4,534 1 View

Is it true that science is leaving the era of mathematics and entering the era of matrix mechanics?

We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...

31 July 2024 3,900 2 View

Can we find a statistical matrix mechanics equivalent to the Schrödinger equation?

We assume that we can find a statistical matrix mechanics equivalent to Schrödinger's PDE in two consecutive steps: i-Transform the Schrödinger PDE describing the wave function Ψ into its square...

27 July 2024 3,959 4 View

Is it true that there is a physico-statistical meaning to the constant π other than circular geometry but the iron guardians of the SE deny it?

We assume that there is a physico-statistical meaning to the constant π other than circular geometry, but the iron guardians of the Schrödinger equation deny this. The iron guardians of the...

22 July 2024 4,285 9 View

Is it possible to calculate finite numerical integration via matrix mechanics?

We assume that it is possible to calculate finite numerical integration via statistical matrix mechanics (a product of the statistical method of Cairo techniques). It is obvious that here it is...

21 July 2024 6,809 5 View

Assuming that the vacuum explodes spontaneously, how is this explosion sustained and amplified?

We assume that the energy in infinite free space (in addition to flammable particles if any) is drawn toward the center of the hottest point, as if to add more fuel to the fire. The Big Bang...

20 July 2024 503 1 View

Kraft lignin and MMA(Methyl meth acrylate) free radical polymerization for synthesis of thermoplastics?

I am conducting free radical polymerization using Kraft lignin and MMA, with DMSO serving as the solvent and there is also an initiator. Following the reaction, I obtain a solution, but I am...

15 July 2024 9,827 1 View

Assuming that the central philosophy of the Schrodnger equation is the cat in a box paradox, can this phylosipy be adjusted?

We assume that the cat in a box paradox may allow an additional approach to include multiple cats in the same box. We can now see two seemingly different views, quantum and classical. The...

13 July 2024 8,233 4 View

Is it true that we can completely neglect partial differential equations, the method of separation of variables and FDM techniques?

We assume that this is true when the statistical matrix mechanics of the so-called Cairo techniques are used to replace PDE and its classical mathematical methods of solution. Moreover, the...

11 July 2024 3,255 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 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

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View

Joaquim V. C. Assunção

Here is a good hands-on tutorial on Forecasting using Discrete Wavelet Transform (DWT) and decision trees.

https://www.r-bloggers.com/time-series-analysis-and-mining-with-r/

Here's a specific R package for wavelets.

http://www.hs-stat.com/WaveletComp/

MM Ali

Any fortran code for wavelet analysis?

Farouk Chellali

There are several of works that deals with the application of Wavelet in the analysis of Elnino

You can start with

- Grinsted A, Moore JC, Jevrejava S. “Application of the cross wavelet transform and the wavelet coherence to geophysical time series”. Nonlinear Processes in Geophysics 2004;11:561–6.