Analytics turn data into knowledge, which help to make more informed decision.

Analytics

CAPM and Fama French 3 Factor model

This post tests CAPM and Fama French 3 Factors model on both time series data and cross-sectional data. The latter performs much better and explain on average 91% variance for time series regressions and only around 20% for cross-sectional regressions.

Omega Group Salary

Is there indeed a significant difference between the salaries of men and women, and whether the difference is due to discrimination or whether it is based on another, possibly valid, determining factor.

GDP Components

Break down GDP for three countries (China, UK and US). Compare the differences in growth.

Biden's approval

As time goes by, the approval rate for Biden changes is going lower. The reason could be his attitude and actions regard Afghanistan. However, such oscillation happened to every U.S. president.

What affects life expectancy?

Life expectancy has increased a lot since the WWII. However, things are different between areas. Diseases and other issues are becoming more significant to human beings.

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