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Lady_Lucy
‎10-20-2025
  • 3 Posts
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Re: How to calculate the sample size?

by Fluorite | Level 6 in SAS Procedures
‎03-06-2018 12:24 PM
‎03-06-2018 12:24 PM
Thank you. Thank you. You really  helped me. you're so right. that's the 'exact format' of formula. before,I guess that I didn't express right. sorry about my english 😉 ... View more

Re: How to calculate the sample size?

by Fluorite | Level 6 in SAS Procedures
‎03-06-2018 08:01 AM
‎03-06-2018 08:01 AM
Hi, Thank you so much! It's worked.   data want;    n=10000;    p=0.5;    q=0.5;    pq = p*q;    z_95 = 1.96;    z2_95 = 3.8416;    e_5 = 0.05;    e2_5 = 0.0025;    nwant = (n*pq*z2_95) / ((pq*z2_95) + ((n-1)*e2_5)); run; ... View more

How to calculate the sample size?

by Fluorite | Level 6 in SAS Procedures
‎03-05-2018 12:55 PM
‎03-05-2018 12:55 PM
/* Population size: 29.477.792 /* Parametros:      N                 P       Q      P*Q     Z_95%   Z2_95%     E_ 5%     E2_5%     29477792    0,5     0,5      0,25    1,9600     3,8416       0,05       0,0025   /* Formula  :   n =     N*(p*q)*Z2 / (p*q)*Z2 + (N-1)*E2  */   How can I do a program to calculate the sample size, according to this formula ??? ... View more
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