Is there a way to batch-convert mass spectrometry cdf files to mzML files?

I have a set of roughly one hundred cdf files from a mass spectrometry experiment. I would like to analyse them using MetaboAnalystR, which requires mzML files as input. I know I can convert each...

28 March 2020 1,794 6 View

What is the best methodology for working with temporal data holes and deep neural networking?

Any data science and/or remote sensing experts have any insight pertaining to multivariate regression and deep neural networking with large feature set inputs and variable temporal data holes...

03 February 2020 5,246 2 View

Why are surrogates only added at the time of extraction, not at the time of sample collection and processing?

I am working on a study on pharmaceutical fate and uptake in plants. We are wondering about analyte degradation during the initial transport, processing, and storage of the soil and plant samples,...

30 October 2019 3,540 1 View

Is there a method or reference that shows how (or what is) the oxygen transmission rate (OTR) of water?

I have found multiple references on solubility however I can find nothing on transmissibility. The later is usually reserved for polymer films but in theory it should be determinable for water as...

05 August 2019 4,776 3 View

How is depth information encoded in the frequency of spectral interferograms obtained by Spectral domain optical coherence tomography?

I am trying to understand how the depth information in SD-OCT A-scans is obtained over distances far in excess of the source coherence length. From what I have gathered so far, it seems that the...

10 June 2019 6,783 2 View

How can I improve laser penetration on a confocal microscope in aortic tissue?

I am currently doing an experiment to image thick (~100 micron) cut pieces of aorta and am having a few problems. To imagine the shape of my tissue, I am cutting rings or bands of aorta and...

01 August 2018 920 3 View

Can BLAST perfrom a search including IUPAC ambiguity codes?

23 June 2017 8,927 3 View

What is the expected number of connected components in an Erdos-Renyi graph?

Let G(N,p) be an Erdos-Renyi graph, where N is the number of vertices, and p is the probability that two distinct vertices form an edge. If I plot 1-b0/N over log(p), then I obtain a curve which...

23 November 2016 6,443 3 View

Database of reagent off-target effects?

I remember seeing a recent website/database that listed commonly used cell culture and research chemical agents and their known off-target effects. Can anyone help me re-discover the site?

17 April 2016 5,311 2 View

How to conduct measured path analysis using Lisrel?

I am trying to understand how to use Lisrel to produce the best model for my survey data. I have read through the guides provided by the website but still do not seem to understand the...

19 February 2015 3,277 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View