2 Descriptive Statistics
2.1 Data Matrices
2.2 Statistical Characteristics
2.2.1 Minimum and Maximum
2.2.2 Mean, Variance and Other Moments
2.2.3 Median and Quantiles
2.2.4 Covariance and Correlation
2.2.5 Categorical Data
2.2.6 Missing Values and Infinite Values
2.3 Summarizing Information