What specific applications of data analytics and big data have you implemented within HR functions in your professional roles? How have these data$-$driven approaches enhanced decision$-$making processes and strategic initiatives within the realm of human resources? Please share your firsthand experiences to illustrate the practical uses of data analytics and big data in HR$.$What specific applications of data analytics and big data have you implemented within HR functions in your professional roles? How have these data$-$driven approaches enhanced decision$-$making processes and strategic initiatives within the realm of human resources? Please share your firsthand experiences to illustrate the practical uses of data analytics and big data in HR$.$