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July 22, 2018 17:36
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Function to calculate sample size
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| import math | |
| import numpy as np | |
| from scipy import stats | |
| import pandas as pd | |
| import seaborn as sns | |
| def z_calc(p1, p2, n1, n2): | |
| p_star = (p1*n1 + p2*n2) / (n1 + n2) | |
| return (p2 - p1) / math.sqrt(p_star*(1 - p_star)*((1.0 / n1) + (1.0 / n2))) |
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