Fleethan

Untitled

May 3rd, 2021
579
4 days
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  1. import math
  2. from statistics import NormalDist as nd
  3.  
  4. # Number of Sample population
  5. N = input("Sample population: ")
  6.  
  7. # Percent that carry the virus worldwide
  8. p0 = input("Percentage (0.0-1.0): ")
  9.  
  10. # Sample Proportion
  11. infect = input("Sample population infected: ")
  12. phat = float(infect)/float(N)
  13.  
  14. # Standard Error Calc
  15. SE = math.sqrt(float(p0)*(1-float(p0))/float(N))
  16.  
  17. # Calculate z-score
  18. z = ( phat - float(p0) ) / SE
  19.  
  20. # Calculate tail value based off a normative distribution (and the multiply by 2 because it is a double-sided test)
  21. tail_value = nd().cdf(z) * 2
  22.  
  23. if (tail_value <= 0.0001):
  24.   print("p-value: 0.0000")
  25. else:
  26.   print("p-value: "+ str(tail_value))
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