What is a correlation matrix and what is its primary purpose in Exploratory Data Analysis?
- A graphical representation of the correlation between variables
- A representation of missing values in the data
- A representation of the data distribution
- A visual representation of data clusters
A correlation matrix is a tabular data representing the correlations between pairs of variables. Each cell in the table shows the correlation between two variables. It's primary use in EDA is to understand the linear relationship between the variables.
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