With advances in new technology it is getting more important to monitor all aspects of the influencing parameters in critical etch steps and utilize them as tuning knobs for within-wafer uniformity ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. David Kindness is a Certified Public Accountant (CPA) and an expert ...

How to Calculate the Correlation Coefficient A simple calculation method is to use what’s known as the Pearson correlation coefficient calculator, named after the English mathematician Karl Pearson.

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.