Does anybody know how to produce a frequency distribution plot in python or R?

Hello Everyone, I want to produce the following figure using python or R for my published paper. But I don't how to produce this figure using python or R. Does anybody know how to do that? Or any...

04 May 2019 3,883 12 View

Does anyboby can help me to download a PPT?

Hi guy. I have found a ppt about visualizng Data/EOFs. But I cannot download it due to limitation of Internet. One more question. Could you please help me to find the website about this author?...

11 December 2017 2,163 2 View

No title

10 November 2017 4,158 2 View

How to study the effects of the spatial resolution of satellite image on the estimation of total suspended matter concentration?

Hi, guys. Recently, I want to study the effects of the spatial resolution of Landsat, MERIS and MODIS sensors on the estimation of total suspended matter (TSM) concention. But I don't know how to...

09 October 2017 7,682 2 View

Does anyone know how to calculate the frequency of occurrence of each pattern identified by self-organizing maps?

Hello. Everyone. Recently,I have read a paper titled "Using self-organizing maps to identify patterns in satellite imagery". According to this paper, spatial paterns of SST can be identified by...

02 March 2017 2,032 0 View

Is anyone familiar with neural networks?

Recently,I want to establish a neural networks to forecast runoff. But now I tested a example as folloes,but I don't understand the results that you can see from the pictures.

02 March 2015 7,099 3 View

Is it possible to merge some .txt files into a new .txt file that contain all .txt file rows?

There are some .txt files that have the same columns and different rows. My question is how to convert these .txt files into a new .txt file.In other words, how to add all .txt files rows into a...

31 December 2014 9,993 2 View

How can I convert .txt file into .csv file using R?

31 December 2014 4,666 11 View

How do I present a graphic like the following file using R?

I want to perform my results for publication like the following graphic.How should I do.Thanks.

31 December 2014 4,339 2 View

How can I use R software to perform the Mann-Kendall Test for trend analysis and abrupt change

I want to use daily precipitation data to analysis the trend of rainfall.Thanks.

11 December 2014 1,256 39 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

What low-cut filter (high Pass frequency) to be used for response spectrum (Tripartite plots) ?

What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...

21 February 2021 9,273 2 View

Interpretation of a fluorescence Emission spectrum ?

Hello, i work with a spectrometer which only render the fluorescence emission spectrum. Until now i just found how to interpret an exitation- and emission spectrum together to generate deeper...

20 February 2021 1,291 3 View

Can bio-decomposer be a successful alternative to reduce residue burning?

To maintain the proper crop plan most of the times there is not enough time to make the field ready for the next crop. In this particular context , can bio-decompser be a solution? What about...

16 February 2021 7,068 24 View

How to detect uv vis spectrum of nanoparticle under 300nm?

I try to make the indium nanoparticle and check the uv vis spectrum. I heard that In nanoparticle has surface plasmon resonance peak at 200~300nm. But most of solvent has absorption peak under...

14 February 2021 6,950 15 View

DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate?

Hello all... I m looking for a method for assay DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate in aqueous samples (cosmetic product) using GC- MS mass spectrum HP- 5 ms U.I 0.25...

13 February 2021 7,629 3 View

Dataset for CNN based spectrum sensing?

I am doing a project concerning Cognitive Radio Networks, My project is about CNN based spectrum sensing. I need a dataset for my CNN model. The input data will be energy features from signals.

10 February 2021 954 3 View