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| import statsmodels.stats.api as sms | |
| effect_size = 0.1 | |
| alpha = 0.05 # significance level | |
| power = 0.8 | |
| sample_size = sms.TTestIndPower().solve_power(effect_size = effect_size, power = power, alpha = alpha) | |
| print('Required sample size ~ {0:.1f}'.format(sample_size) + ' per group') | |
| #Output: | |
| #Required sample size ~ 1570.7 per group |
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