Dear colleagues, what statistical software (packages) do you use to work with complex (household) survey data?

If you use different tools for different steps (sampling selection, weighting, estimation, etc.), please specify the breakdown.

19 May 2020 8,708 3 View

CNN outperformed LSTM in Speech emotion recognition?

Hello I work with Convolutional Neural Network and LSTM in speech emotion recognition, in my result I see that CNN has shown better performance than the traditional LSTM in my speech...

04 September 2019 2,884 11 View

How do you combine multiple SEQ files iinto one file (FASTA or notepad)?

I use MEGA X for my phylogenetic analysis and sometimes I may work with 70+ sequences. If any of you know a method that can combine these sequences into one and free me from the ////tedious////...

31 July 2019 2,969 3 View

Which are best features for emotion recognition?

Hello everyone I'm working in audio analysis for emotion classification. I'm using parselmouth (a PRAAT integration in python) to get feature. I'm not well versed in audio analysis, starter. After...

18 June 2019 7,940 4 View

Hello i would like done a medical image segmentation by neural networks with matlab can you give me indications?

Especially the SOM.

29 August 2018 6,592 3 View

How to plot Gromacs protein-ligand hydrogen bonding as a line?

I want to plot the time serie data of number of hydrogen bond (between protein-ligand) from a MD simulation with Gromacs as in this...

26 April 2018 9,806 2 View

How can I remove RNAs from genomic DNA without RNAse?

I isolated genomic DNA of Musca with one commercial kit. The 260/280 ratio is 2, so I supposed there is a RNA contamination. Please, I would like to know if there are methods to remove RNAs...

21 August 2017 4,827 3 View

How to validate in vitro transcription experiment?

01 February 2017 5,267 3 View

Remote sensing data to study the influence of surface temperature on soil moisture estimation

Hello dear researchers, in the framework of my master project, I would like to work on the influence of surface temperature on the estimation of soil moisture. I invite you to provide me with...

01 January 1970 3,667 3 View

Problem of image mosaic in ArcGis

Can you help me with this problem? After mosaic 2 Landsat8 images, the result will give me the image below.

01 January 1970 5,400 3 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View