Data Exploration (or Exploratory Data Analysis) is about describing the data by means of statistical and visualization techniques. We explore data in order to bring important aspects of that data into focus for further analysis.
Exploratory Data Analysis for Data Science
Univariate analysis means exploration of single variable. Variables can be categorical or numerical.
Bar chart, Range, IQR, Variance, Skewness, Kurtosis, etc.
Bivariate analysis is the simultaneous analysis of two variables. Exploring 3 combinations of relationship between two variables as follows.
Correlation, Scatter plot, Chi-sqaure test, Bar chart, Z test, T test, etc.