I’ve written a Matlab function, which calculates the Cronbach’s alpha between some items and do the if item is deleted process. this function will automatically delete the item which increase the Cronbach’s alpha maximally. before entering in if item is deleted process it checks the initial Cronbach’s alpha. if the Cronbach’s alpha value was greater than 0.8. then the function will return a message that there is an excellent reliability and no item is required to be deleted. Continue reading Reliability analysis using Cronbach’s alpha
I’ve written a code in Visual basic (excel macro), to do Monte Carlo repetitions to find the value at risk. for this reason, I’ve used Cornish-fisher expansion.
The formula for Value at risk, uses volatility, skewness and excess kurtosis and the number of trading periods in the recommended holding period to find the value at risk.
In this project, I wrote a matlab code to keep a marker which moves randomly toward a square area, inside the boundary. so the marker moves with a specific speed in a random direction. when the marker reaches to the boundary of the square area, it will first bounce back and then will keep moving to the another random direction. the number of movement and speed of the marker could be chosen by the user.
A company decided to do to statistical analysis to find a model for the revenue gained by their employees. in the passed years and find a model to do forecast for the next year.
This excel sheet includes table and formula of the mv – oxidation reduction potential.
The formula uses ppm/cl2 and ppm cyanuric acid concentrate in a function and finds the mv – oxidation reduction potential /CI2 equivalent and finally it draw the curves for various ppm/cl2 from 0.3 to 4.
We had a request from a customer for creating a simulator from ground up with python where it should have the ability to run on multiple platforms. And we happily accepted the project, In implementation we where very careful about physics methods we used. Continue reading Jump Simulator