English, Article edition: SAMPSI_RHO: Stata module to compute sample size for a Pearson correlation Adrian Mander

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Bookmark: http://trove.nla.gov.au/version/103729
Physical Description
  • code
Language
  • English

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Title
  • SAMPSI_RHO: Stata module to compute sample size for a Pearson correlation
Author
  • Adrian Mander
Physical Description
  • code
Notes
  • sampsi_rho calculates either the sample size or power for a Pearson correlation. The formula for sample size is ((Za+Zb)/​(delta))^2 + 3 where delta is the difference between test value and the null value, Za is the signficance Z-value and Zb is the power Z-value. The correlations are transformed using the Fisher z transformation 1/​2ln((1+rho)/​(1-rho)) this z is normally distributed with a standard deviation of 1/​sqrt(N-3).
  • sample size, Pearson correlation
  • RePEc:boc:bocode:s456774
Language
  • English
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