Statistics, Machine Learning, Data Science, Financial Planning, Python.
statsmodels.api as sm from statsmodels.formula.api import ols import matplotlib.pyplot as plt # Sample data for demonstration data = { 'y': [23, 25, 28, 30, 32, 20, 22, 24, 26, 28, 18, 21, 24, 27, 30], 'group': ['A', 'A', 'B', 'B', 'C', 'A', 'A', 'B', 'B', 'C', 'A', 'A', 'B', 'B', 'C'],