How do you start building a data set for machine learning?

-Required are DEM/DTM satellite data from mountain ranges without glaciers. For example SRTM 30m. -The data has 3 parameters only. X, Y and Elevation. There is no need for georeference or...

22 January 2021 4,059 6 View

Where can I find dynamic real-world graph datasets?

For an experimental evaluation, I am looking for dynamic real-world graph datasets. In contrast to a traditional (static) graph, in a dynamic graph edges can be inserted and deleted, so the...

14 October 2020 1,618 3 View

Ion torrent - What happens if the amplicons are too long?

Hello everyone, What happens if I try to sequence with Iron torrent amplicons (eg of a marker gene) that are too long? By that I mean more than 500bp. We did try (not on purpose, we did not...

11 August 2020 368 3 View

Unable to add authors?

I am not able to add Authors where I normally can put their names.

17 March 2020 8,404 1 View

How can I coat silica nano/micro particles with a thick gold layer?

18 December 2019 5,660 3 View

Is it conceivable to investigate geospatial data with LiDAR as a freelancer?

This is a monetary question: There are products like the Phoenix LiDAR Systems. Attached to a drone it is possible to mine highly precise geospatial data very fastly. Would universities around the...

01 August 2019 1,538 2 View

qPCR primer efficiency question?

22 May 2019 4,117 4 View

When looking at SNQ on MRI, you select circular areas of the image which gives you a figure - what exactly is being measured here?

Signal-to-noise quotient (SNQ) is often used to describe the appearances of an MRI but it is not clear to me exactly what the image viewer is measuring, I assume that the sequence that you are...

06 April 2019 271 2 View

Which ICC for idea evaluation relialibility?

18 November 2018 1,647 2 View

Is there a Software to depict multi-channel linguistic data transcripts?

Related to my PhD-research I am looking for software that is capable of displaying multi-channel transcripts of linguistic data. More precisely, I do have video data, that includes writte (chat)...

25 February 2018 5,263 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View