AI, Dimensionality Reduction, Machine Learning, Python, Data Science.
following: within-class Scatter Matrix: [[ 38.9562 13.683 24.614 5.6556] [ 13.683 17.035 8.12 4.9132] [ 24.614 8.12 27.22 6.2536] [ 5.6556 4.9132 6.2536 6.1756]] 3. Compute the between-class scatter matrix (Sb), which represents the spread between different classes using the following formula: In