The Formation of MLB Player Value: A Multidimensional Comparative Study of Pitchers and Hitters in the Market ( 12/27 小結)

The Formation of MLB Player Value: A Multidimensional Comparative Study of Pitchers and Hitters in the Market ( 12/27 小結)
Photo by Derek Story / Unsplash

Variables

Statistic Description_Batters

Statistic Description_Pitchers

數據初探


Heatmap

PCA

Factor Loadings_Pitchers

Factor Loadings_Batters


PCA_OLS

Pitchers OLS Formula:
value = 7.52 + -0.32*PC1 + 0.58*PC2 + -2.47*PC3 + 1.42*PC4 + -1.09*PC5


PCA_Machine Learning


重新使用未標準化的變數進行 OLS


使用未標準化的變數進行 Machine Learning