How to choose the right statistical test?

In my research project I often have to compare four experimental sets of data, say it three treatment groups and one control. However, within each group I have subdivision - different...

12 April 2020 2,738 5 View

How to form a multi-criteria fitness function?

I am working on a multi-criteria optimization problem, but I am facing problems to define proper fitness...

23 March 2020 5,678 2 View

What is the best way to generate GCode for 2D plotter?

Four years ago I was working on a genetic algorithm for vectorization and colors reduction. It is an open source project available in GitHub under the name EllipsesImageApproximator. The result of...

23 February 2020 5,521 6 View

Time series preprocessing options?

I am interested to do time series forecasting (1.png) with artificial neural networks. In order to decrease data complexity I have decided to remove the linear component (2.png). Also I did some...

10 April 2019 722 7 View

Human-computer distributed computing?

One of the most popular human-computer distributed computing project is the Electric Sheep. In this project genetic algorithm is used to evolve artificial life forms. Fitness value of the...

27 March 2019 6,288 3 View

How to transform standard deviation to five star scale slot game volatility?

I am working on a slot game mathematical model. I have done the strips and I have calculated the RTP. My customer wants the volatility of the game to be 3 of 5 stars. I have calculated the...

28 October 2018 8,052 1 View

What is your motivation to publish with SJR?

I have a few SJR publications and I do not see any advantage because of this. There are some very nice scientific journals in my region but without SJR. I am thinking to stop publishing with SJR....

01 January 1970 4,487 3 View

Why don't I get even and comparable immunohistochemical staining on brain sections?

01 January 1970 2,273 2 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 is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 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

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 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

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View