13 Exploratory Data Analysis
13.1 Understanding your data
13.1.1 Data preview
13.1.2 Data structure
13.1.3 Data summary / Descriptive Statistics
13.2 Missing Values
13.2.1 Detecting missing values
13.2.2 Removing missing values
13.3 Variable analysis
13.3.1 Univariate analysis
13.3.2 Character / Factor variables
13.3.3 Numerical variables
13.4 Bivariate Analysis
###Two categorical variable analysis ### Two numerical variable analysis ### One numerical and one categorical variable analysis