Previous article discussed the basic contingency table of proportions and percentages. People often want to ask more about relationships…

The basic principle of how stock prices move is based on market demand and supply. When there are more…

Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…

Stock Traders look for various signal like GDP, inflation rate, interest rate to predict the future economic condition. One…

Sharpe Ratio is the most extensively used metric in the finance world to evaluate the performance of an investment.…

One issue with range and the interquartile range (IQR) both is that they don’t include information from all the…