What is the most suitable program for determine the state of synergesm, antagonism or addition of mixing two or more toxicants?

In a toxicology experiment the mixing pattern of two or more toxicants required for the physiological or lethal effect. what is the suitable program or equation that I can use?

06 January 2021 7,419 3 View

How can i measure traces of Hg2+ spectrophotometrecally, ?

I want to measure a low concentration of Hg2+ in a solution spectrophotometrically, ia there an indicator or something i can use as an indicator for Hg2+ to color it and make it easy to measure

14 September 2020 3,575 3 View

Expanding mouse T cells in serum-free medium?

Dear All, I would like to expand T cells in serum-free medium then inject without wash in mice? Is there is a special medium for that purpose? Thank you. Best, Hossam.

12 June 2020 6,112 4 View

What is the main difference between optimizing an airfoil using artificial neural network (ANN) and convolutional neural network (CNN) ?

Hello, I wonder what is the difference between optimizing an airfoil using artificial neural network (ANN) and convolutional neural network (CNN) ? How much do the output differ using each method...

17 January 2020 6,719 3 View

Intrinsic hepatic clearance high and low ranges basis?

I've been looking at the ranges in which a drug is considered to have low or high intrinsic clearance and I have having a hard time finding what is the acceptable numbers of which a drug is...

10 June 2019 7,915 2 View

Who is interested to join me to implement a mnist CNN system on FPGA board?

I can take care of the hardware implementation. However, i need someone good in Python. Outcomes: - publishing in a paper in a journal or conference Contact me if you are interesting

24 April 2019 8,072 7 View

How to avoid thsis erorr in matlab simulink?

at time 20.301027484555902 is not finite. The simulation will be stopped. There may be a singularity in the solution. If not, try reducing the step size (either by reducing the fixed step size or...

19 September 2018 5,274 3 View

Can I design a survey asking the sample about a technology that they might never actually used?

16 June 2018 5,923 2 View

Can i Investigate acceptance of an idea qualitatively ?

I am embarking on a qualitative research assignment, i want to investigate the acceptance of qualitative and quantitative researchers' on the use of Big Data analysis tools in their research. My...

17 December 2017 4,584 10 View

What is the impact of the use of Big Data on research methods?

Hi, i am looking for any papers discussing the impact of Big Data & Machine Learning analytics on research methodology both quants and qual!

16 December 2017 7,651 11 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

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

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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View