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Results tagged with pre-post-comparison
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user 104
Comparisons before and after an event or experimental intervention. Includes BACI (before-after-control-impact) studies.
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Is there a quick way to convert z-scores into percentile scores?
pnorm(z) will do it.
> pnorm(1.96)
[1] 0.9750021
> pnorm(0)
[1] 0.5
> pnorm(-1)
[1] 0.1586553
Or if you insist on a percentile, boom. Then try
round(pnorm(1.96)*100,0)
- 750