Parameter Estimation and Evaluation Introduction Introduction With the rapid development of internet and mobil in- ternet techologies as well as their applications,the rise of Big data together with machine learning,a main computer-based automatic analytic tool for Big data,has profound implications on statistical sciences. Compared with traditional historical data,Big data of- ten has an extraordinarily large volume of data,with structured,semi-structruraled and unstructured formats, which are often produced in real-time or near real-time. Big Data,Machine Learning and Statistics Introduction to Statistics and Econometrics Juy8,2020 3/70Parameter Estimation and Evaluation Big Data, Machine Learning and Statistics Introduction to Statistics and Econometrics July 8, 2020 3/70 Introduction Introduction