How to properly normalize dataset for prediction in deep NN?

I'm doing a particle physics analysis (jet energy regression) by means deep neural network (in keras with tensorflow backend). I have several features (mostly kinematic variables). I trained my...

07 August 2018 3,284 3 View

How to implement Huber loss function in XGBoost?

I was wondering how to implement this kind of loss function since MAE is not continuously twice differentiable. Are there any functions close to the Huber loss?

07 August 2018 1,645 4 View

Why the heart organ is traditionally believed to be periodic in nature?

Heart organ.

02 March 2016 5,615 0 View

Does the Autonomic Nervous System still has an effect on the Heart Rate Variability of isolated hearts?

Langerdoff isolated hart preparation

31 December 2015 7,175 18 View

How can I construct a phase plane of an ECG time series data?

Since a phase plane needs two variables that are dependent on time, I am thinking it can be the RR interval and the voltage variation. That is, V(t) and RR(t). What do you think? If this is...

11 December 2015 3,356 6 View

What will happen to the beating of the frog heart tissue if it's perfused in a High Calcium Ringers?

09 October 2015 7,069 0 View

Would it be possible to make a differential equation model for ECG recordings?

In my ECG recordings, I periodically add increasing concentration of high calcium ringer's solution with an interval of 10 minutes for each concentration. I noticed that for an increase of...

08 September 2015 2,964 3 View

How to construct a differential equation relating beat frequency of a cardiomyocyte influenced by a mechanical stress?

03 April 2015 2,427 1 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How to highlight novelty in your research paper?

I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...

28 February 2021 2,393 8 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Why is My firend's profile not visible?

Hello, I created a profile for my friend on google scholar. I have added a verified email address. I marked the profile as public. Formerly his profile was visible. However, now, When I type his...

24 February 2021 8,680 3 View

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View